{"id":7820,"date":"2024-01-15T06:57:41","date_gmt":"2024-01-15T06:57:41","guid":{"rendered":"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/?post_type=lesson_page&#038;p=7820"},"modified":"2024-07-28T09:54:52","modified_gmt":"2024-07-28T06:54:52","slug":"quenching-a-thirsty-planet-ch1_1-heb","status":"publish","type":"lesson_page","link":"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch1_1-heb\/","title":{"rendered":"\u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 &#8211; \u05e4\u05e8\u05e7 1 &#8211; \u05e9\u05d9\u05e2\u05d5\u05e8 1"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"7820\" class=\"elementor elementor-7820\" data-elementor-post-type=\"lesson_page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2380a87 e-flex e-con-boxed e-con e-parent\" data-id=\"2380a87\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2fda1fc elementor-widget elementor-widget-text-editor\" data-id=\"2fda1fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05de\u05d5\u05e8\u05d9\u05dd \u05d5\u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd &gt; <a href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/learning_unit\/%d7%94%d7%a9%d7%a7%d7%99%d7%99%d7%aa-%d7%94%d7%9b%d7%93%d7%95%d7%a8-%d7%94%d7%a6%d7%9e%d7%90-%d7%97%d7%95%d7%9e%d7%a8%d7%99%d7%9d-%d7%9c%d7%9e%d7%95%d7%a8%d7%94\/\">\u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-062a1c1 elementor-widget elementor-widget-heading\" data-id=\"062a1c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u05e4\u05e8\u05e7 1. \u05d4\u05d0\u05dd \u05e0\u05d2\u05de\u05e8\u05d9\u05dd \u05dc\u05e0\u05d5 \u05d4\u05de\u05d9\u05dd?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-75f24c6 e-flex e-con-boxed e-con e-parent\" data-id=\"75f24c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7daddc7 e-con-full e-flex e-con e-child\" data-id=\"7daddc7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c7885aa elementor-widget elementor-widget-heading\" data-id=\"c7885aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u05e9\u05d9\u05e2\u05d5\u05e8 1.1 \u05d4\u05d9\u05db\u05df \u05e7\u05d9\u05d9\u05de\u05ea \u05d1\u05e2\u05d9\u05d4 \u05e9\u05dc \u05d6\u05de\u05d9\u05e0\u05d5\u05ea \u05de\u05d9 \u05e9\u05ea\u05d9\u05d9\u05d4? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e968e1c elementor-widget elementor-widget-text-editor\" data-id=\"e968e1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd:<\/strong> \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 2-13<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1e36ad elementor-widget elementor-widget-text-editor\" data-id=\"e1e36ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 2-4: \u05d4\u05e6\u05d2\u05ea \u05d4\u05d1\u05e2\u05d9\u05d4 \u05d3\u05e8\u05da \u05ea\u05d5\u05e4\u05e2\u05d4 \u05de\u05e2\u05d2\u05e0\u05ea<\/strong><\/h3><div><strong>\u00a0<\/strong><\/div><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 2:<\/strong> \u05d4\u05d0\u05dd \u05d9\u05ea\u05db\u05df \u05e9\u05d1\u05e2\u05d9\u05e8 \u05d2\u05d3\u05d5\u05dc\u05d4 \u05d5\u05de\u05e4\u05d5\u05ea\u05d7\u05ea \u05d9\u05d2\u05de\u05e8\u05d5 \u05d4\u05de\u05d9\u05dd?<br \/>\u05ea\u05de\u05d5\u05e0\u05d5\u05ea \u05e9\u05dc:<\/p><p>\u05d4\u05e2\u05d9\u05e8 \u05e7\u05d9\u05d9\u05e4 \u05d8\u05d0\u05d5\u05df, \u05d3\u05e8\u05d5\u05dd \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4 (\u05d4\u05ea\u05de\u05d5\u05e0\u05d5\u05ea \u05dc\u05de\u05e2\u05dc\u05d4) &#8211; \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4<br \/>\u05d4\u05e2\u05d9\u05e8 \u05e1\u05df \u05d3\u05d9\u05d9\u05d2\u05d5 \u05d1\u05e7\u05dc\u05d9\u05e4\u05d5\u05e8\u05e0\u05d9\u05d4, \u05d0\u05e8\u05d4&#8221;\u05d1 (\u05dc\u05de\u05d8\u05d4, \u05de\u05e9\u05de\u05d0\u05dc) &#8211; \u05d0\u05de\u05e8\u05d9\u05e7\u05d4<br \/>\u05d4\u05e2\u05d9\u05e8 \u05dc\u05d5\u05e0\u05d3\u05d5\u05df (\u05dc\u05de\u05d8\u05d4 \u05de\u05d9\u05de\u05d9\u05df) &#8211; \u05d0\u05d9\u05e8\u05d5\u05e4\u05d4<\/p><p>\u05e9\u05d0\u05dc\u05d4 \u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd: \u05dc\u05de\u05d4 \u05dc\u05d3\u05e2\u05ea\u05db\u05dd \u05d9\u05db\u05d5\u05dc \u05dc\u05d4\u05d9\u05d5\u05ea \u05d0\u05d5 \u05dc\u05d0 \u05d9\u05db\u05d5\u05dc \u05dc\u05d4\u05d9\u05d5\u05ea \u05de\u05d7\u05e1\u05d5\u05e8 \u05d1\u05de\u05d9\u05dd?<\/p><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 3:<\/strong> \u05de\u05e8\u05d0\u05d9\u05dd \u05e1\u05e8\u05d8\u05d5\u05df \u05e2\u05dc \u05de\u05e9\u05d1\u05e8 \u05d4\u05de\u05d9\u05dd \u05d1\u05e7\u05d9\u05d9\u05e4 \u05d8\u05d0\u05d5\u05df \u05d1\u05d3\u05e8\u05d5\u05dd \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4. \u05d9\u05e9 3 \u05e1\u05e8\u05d8\u05d5\u05e0\u05d9\u05dd \u05d0\u05e4\u05e9\u05e8\u05d9\u05d9\u05dd. \u05de\u05d5\u05de\u05dc\u05e5 \u05dc\u05e6\u05e4\u05d5\u05ea \u05d1\u05d4\u05e9\u05dd \u05d5\u05dc\u05d4\u05d7\u05dc\u05d9\u05d8 \u05de\u05d4 \u05d5\u05db\u05de\u05d4 \u05dc\u05d4\u05e7\u05e8\u05d9\u05df \u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd. \u05d0\u05ea \u05db\u05dc \u05d4\u05e1\u05e8\u05d8\u05d5\u05e0\u05d9\u05dd \u05db\u05d3\u05d0\u05d9 \u05dc\u05e4\u05ea\u05d5\u05d7 \u05d1\u05d9\u05d5-\u05d8\u05d9\u05d5\u05d1 \u05d5\u05dc\u05d4\u05e2\u05dc\u05d5\u05ea \u05ea\u05e8\u05d2\u05d5\u05dd \u05d0\u05d5\u05d8\u05d5\u05de\u05d8\u05d9.\u00a0\u00a0<\/p><ol><li><a href=\"https:\/\/www.youtube.com\/watch?v=J9tF4vEHjaE&amp;t=9s\" target=\"_blank\" rel=\"noopener\">Day Zero: How how Cape Town stopped the taps running dry\u00a0<\/a><br \/>\u05de\u05d5\u05de\u05dc\u05e5 \u05dc\u05d4\u05e7\u05e8\u05d9\u05df \u05e2\u05d3 \u05dc\u05d3\u05e7\u05d4 3:10 (\u05d0\u05e4\u05e9\u05e8 \u05dc\u05d4\u05de\u05e9\u05d9\u05da \u05dc\u05e6\u05e4\u05d5\u05ea \u05d1\u05db\u05d5\u05dc\u05d5 \u05d0\u05dd \u05e8\u05d5\u05e6\u05d9\u05dd)<\/li><li><a href=\"https:\/\/www.youtube.com\/watch?v=EZmxEY6QoUY\" target=\"_blank\" rel=\"noopener\">\u00a0Countdown to Day Zero: Cape Town&#8217;s Water Crisis<\/a><\/li><li><a href=\"https:\/\/www.youtube.com\/watch?v=lmINcup0BZQ\" target=\"_blank\" rel=\"noopener\">Surviving a Drought With Limited Water<\/a> \u05e1\u05e8\u05d8\u05d5\u05df \u05e9\u05dc \u05d0\u05de\u05e8\u05d9\u05e7\u05d0\u05d9\u05ea \u05d4\u05de\u05d1\u05e7\u05e8\u05ea \u05d1\u05e2\u05d9\u05e8 \u05d5\u05de\u05d3\u05d2\u05d9\u05de\u05d4 \u05de\u05d4 \u05d6\u05d4 \u05d0\u05d5\u05de\u05e8 \u05dc\u05d7\u05d9\u05d5\u05ea \u05d1\u05e2\u05d9\u05e8 \u05e2\u05dd &#8220;\u05ea\u05e7\u05e6\u05d5\u05d1 \u05de\u05d9\u05dd&#8221;.\u00a0 \u05d4\u05e1\u05e8\u05d8\u05d5\u05df \u05db\u05d5\u05dc\u05d5 \u05d4\u05d5\u05d0\u00a0 7 \u05d3\u05e7\u05d5\u05ea.\u00a0\u00a0<\/li><\/ol><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 4:<\/strong> \u05d7\u05d5\u05d6\u05e8\u05d9\u05dd \u05e2\u05dc \u05d4\u05e9\u05d0\u05dc\u05d4 \u05d1\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea \u05de\u05e1\u05e4\u05e8 2 \u05d5\u05d3\u05e0\u05d9\u05dd \u05d1\u05d4. <br \/>\u05d0\u05e4\u05e9\u05e8 \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d1\u05e9\u05d0\u05dc\u05d5\u05ea \u05d4\u05de\u05e0\u05d7\u05d5\u05ea \u05d4\u05db\u05ea\u05d5\u05d1\u05d5\u05ea \u05d1\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea:<\/p><ol><li>\u05d4\u05d0\u05dd \u05d4\u05d5\u05e4\u05ea\u05e2\u05ea\u05dd \u05de\u05d4\u05e2\u05d5\u05d1\u05d3\u05d4 \u05e9\u05d2\u05dd \u05e2\u05d9\u05e8 \u05d2\u05d3\u05d5\u05dc\u05d4 \u05d5\u05de\u05e4\u05d5\u05ea\u05d7\u05ea \u05d9\u05db\u05d5\u05dc\u05d4 \u05dc\u05d4\u05d9\u05d5\u05ea \u05d1\u05de\u05e6\u05d1 \u05e9\u05dc \u05de\u05d7\u05e1\u05d5\u05e8 \u05d1\u05de\u05d9\u05dd?<\/li><li>\u05d0\u05d9\u05da \u05d0\u05e0\u05d7\u05e0\u05d5 \u05d4\u05d9\u05d9\u05e0\u05d5 \u05de\u05d5\u05e9\u05e4\u05e2\u05d9\u05dd \u05d0\u05dd \u05d4\u05d9\u05d5 \u05de\u05d5\u05d3\u05d9\u05e2\u05d9\u05dd \u05e9\u05d0\u05e0\u05d7\u05e0\u05d5 \u05de\u05ea\u05e7\u05e8\u05d1\u05d9\u05dd \u05dc\u05e0\u05e7\u05d5\u05d3\u05d4 \u05e9\u05dc \u05de\u05d7\u05e1\u05d5\u05e8 \u05d7\u05de\u05d5\u05e8 \u05d1\u05de\u05d9\u05dd?<\/li><li>\u05d4\u05d0\u05dd \u05d1\u05d9\u05ea \u05d4\u05e1\u05e4\u05e8 \u05d4\u05d9\u05d4 \u05de\u05d5\u05e9\u05e4\u05e2 \u05dc\u05d5 \u05d4\u05d9\u05d5 \u05de\u05d5\u05d3\u05d9\u05e2\u05d9\u05dd \u05e2\u05dc \u05de\u05d7\u05e1\u05d5\u05e8 \u05d1\u05de\u05d9\u05dd?<\/li><li>\u05d4\u05d0\u05dd \u05d4\u05d1\u05e2\u05d9\u05d4 \u05d4\u05d9\u05d0 \u05e8\u05e7 \u05d1\u05d0\u05e4\u05e8\u05d9\u05e7\u05d4?<\/li><\/ol><h3><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 5-13: \u05d4\u05e8\u05d7\u05d1\u05ea \u05d4\u05d1\u05e0\u05ea \u05d4\u05ea\u05d5\u05e4\u05e2\u05d4 \u05d4\u05d2\u05dc\u05d5\u05d1\u05dc\u05d9\u05ea<\/strong><\/h3><div><strong>\u00a0<\/strong><\/div><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 5:<\/strong> \u05e9\u05d0\u05dc\u05d5 \u05d0\u05ea \u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd: \u05de\u05d4 \u05d3\u05e2\u05ea\u05db\u05dd? \u05d4\u05e1\u05e8\u05d8 \u05e9\u05e8\u05d0\u05d9\u05e0\u05d5 \u05d4\u05d5\u05d0 \u05e2\u05dc \u05d3\u05e8\u05d5\u05dd \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4, \u05d4\u05d0\u05dd \u05dc\u05d3\u05e2\u05ea\u05db\u05dd \u05d6\u05d4 \u05d9\u05db\u05d5\u05dc \u05dc\u05e7\u05e8\u05d5\u05ea \u05d1\u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd? <br \/>\u05d4\u05dd \u05e8\u05d0\u05d5 \u05d1\u05d4\u05ea\u05d7\u05dc\u05d4 \u05e9\u05d6\u05d4 \u05e7\u05d5\u05e8\u05d4 \u05d1\u05e2\u05d5\u05d3 \u05de\u05d3\u05d9\u05e0\u05d5\u05ea &#8211; \u05d0\u05d5\u05dc\u05d9 \u05d9\u05d6\u05db\u05e8\u05d5, \u05d5\u05d2\u05dd \u05e0\u05d7\u05e9\u05d5\u05e3 \u05d1\u05e4\u05e0\u05d9\u05d4\u05dd \u05e2\u05d5\u05d3 \u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05d1\u05e2\u05d5\u05dc\u05dd.<\/p><p><strong>\u05d4\u05e9\u05ea\u05de\u05e9\u05d5 \u05d1\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea \u05d4\u05d1\u05d0\u05d5\u05ea (6-12)<\/strong> \u05db\u05d3\u05d9 \u05dc\u05d4\u05de\u05d7\u05d9\u05e9 \u05e9\u05d4\u05d1\u05e2\u05d9\u05d4 \u05d4\u05d9\u05d0 \u05d2\u05dc\u05d5\u05d1\u05dc\u05d9\u05ea<\/p><p><span data-contrast=\"auto\">\u05d4\u05e9\u05ea\u05de\u05e9\u05d5 \u05d1\u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea \u05d4\u05d1\u05d0\u05d5\u05ea (<\/span><span data-contrast=\"auto\">6-12<\/span><span data-contrast=\"auto\">) \u05db\u05d3\u05d9 \u05dc\u05d4\u05de\u05d7\u05d9\u05e9 \u05e9\u05d4\u05d1\u05e2\u05d9\u05d4 \u05d4\u05d9\u05d0 \u05d2\u05dc\u05d5\u05d1\u05dc\u05d9\u05ea<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p><p><span data-contrast=\"auto\">6<\/span><span data-contrast=\"auto\"> -\u05d1\u05e6\u05d5\u05e8\u05ea \u05d1\u05d4\u05d5\u05d3\u05d5 \u05d1 <\/span><span data-contrast=\"auto\">2018, 7<\/span><span data-contrast=\"auto\">&#8211; \u05de\u05d7\u05e1\u05d5\u05e8 \u05e7\u05e9\u05d4 \u05d1\u05de\u05d9\u05dd \u05d1\u05e6&#8217;\u05d9\u05dc\u05d4 \u05d1 <\/span><span data-contrast=\"auto\">2019, 8<\/span><span data-contrast=\"auto\"> &#8211; \u05d0\u05d2\u05dd \u05dc\u05d9\u05d8\u05dc \u05d5\u05d0\u05e9\u05d5 \u05d1\u05e0\u05d1\u05d3\u05d4 \u05d0\u05e8\u05d4&#8221;\u05d1 <\/span><span data-contrast=\"auto\">2021, 9<\/span><span data-contrast=\"auto\"> &#8211; \u05d0\u05d2\u05dd \u05d0\u05d5\u05e8\u05d5\u05d5\u05d9\u05dc \u05d1\u05e7\u05dc\u05d9\u05e4\u05d5\u05e8\u05e0\u05d9\u05d4, <\/span><span data-contrast=\"auto\">2011<\/span><span data-contrast=\"auto\"> \u05dc\u05e2\u05d5\u05de\u05ea <\/span><span data-contrast=\"auto\">2013,\u00a0 10<\/span><span data-contrast=\"auto\"> &#8211; \u05d6\u05d9\u05d4\u05d5\u05dd \u05de\u05d9 \u05e9\u05ea\u05d9\u05d4 \u05d1\u05e4\u05dc\u05d9\u05e0\u05d8 \u05de\u05d9\u05e9\u05d9\u05d2\u05df , <\/span><span data-contrast=\"auto\">2014, 11<\/span><span data-contrast=\"auto\">&#8211; \u05d6\u05d9\u05d4\u05d5\u05dd \u05d0\u05e9\u05e4\u05d4 \u05d1\u05e0\u05d4\u05e8 \u05e6&#8217;\u05d9\u05d8\u05d0\u05e8\u05d5\u05dd \u05d1\u05d0\u05d9\u05e0\u05d3\u05d5\u05e0\u05d6\u05d9\u05d4.\u00a0 <\/span><span data-contrast=\"auto\">12<\/span><span data-contrast=\"auto\"> &#8211; \u05d9\u05e9\u05e8\u05d0\u05dc \u05de\u05ea\u05d9\u05d9\u05d1\u05e9\u05ea \u05e9\u05d5\u05d1 &#8211; <\/span><span data-contrast=\"auto\">2018 (<\/span><a href=\"https:\/\/www.mako.co.il\/news-israel\/health-q2_2018\/Article-49c809f26a80461004.htm\"><span data-contrast=\"none\">https:\/\/www.mako.co.il\/news-israel\/health-q2_2018\/Article-49c809f26a80461004.htm<\/span><\/a><span data-contrast=\"auto\">)\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p><p><strong>\u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 13: \u05e1\u05d9\u05db\u05d5\u05dd:<\/strong> \u05de\u05d4 \u05e7\u05d5\u05e8\u05d4 \u05dc\u05de\u05e7\u05d5\u05e8\u05d5\u05ea \u05d4\u05de\u05d9\u05dd \u05d1\u05e2\u05d5\u05dc\u05dd? \u05d1\u05e7\u05e9\u05d5 \u05de\u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05dc\u05d4\u05d2\u05d9\u05d3 \u05d0\u05d9\u05d6\u05d4 \u05ea\u05d5\u05e4\u05e2\u05d5\u05ea \u05de\u05e9\u05d5\u05ea\u05e4\u05d5\u05ea \u05dc\u05ea\u05de\u05d5\u05e0\u05d5\u05ea \u05d5\u05dc\u05de\u05e7\u05e8\u05d9\u05dd \u05e9\u05e8\u05d0\u05d9\u05e0\u05d5? (\u05d0\u05e4\u05e9\u05e8 \u05dc\u05d1\u05e7\u05e9 \u05de\u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05dc\u05db\u05ea\u05d5\u05d1)\u00a0<\/p><p>\u05d4\u05d5\u05d1\u05d9\u05dc\u05d5 \u05d0\u05ea \u05d4\u05d3\u05d9\u05d5\u05df \u05dc\u05db\u05da \u05e9\u05d0\u05e4\u05e9\u05e8 \u05dc\u05e8\u05d0\u05d5\u05ea \u05de\u05e6\u05d3 \u05d0\u05d7\u05d3 \u05d0\u05ea \u05ea\u05d5\u05e4\u05e2\u05ea \u05d4\u05d1\u05e6\u05d5\u05e8\u05ea \u05d5\u05de\u05d7\u05e1\u05d5\u05e8 \u05d1\u05de\u05d9\u05dd \u05dc\u05e2\u05d5\u05de\u05ea \u05d4\u05e6\u05d3 \u05d4\u05e9\u05e0\u05d9 \u05e9\u05d4\u05d5\u05d0 \u05d6\u05d9\u05d4\u05d5\u05dd (\u05de\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05d0\u05d5 \u05d9\u05d9\u05e6\u05d5\u05e8\u05d9\u05dd \u05e9\u05d5\u05e0\u05d9\u05dd), \u05db\u05dc\u05d5\u05de\u05e8 \u05d4\u05de\u05d9\u05dd \u05e7\u05d9\u05d9\u05de\u05d9\u05dd, \u05d0\u05da \u05dc\u05d0 \u05e0\u05d9\u05ea\u05e0\u05d9\u05dd \u05dc\u05e9\u05ea\u05d9\u05d4.\u00a0<\/p><p>\u05d4\u05e2\u05e8\u05d4 \u05dc\u05e7\u05e8\u05d0\u05ea \u05d4\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d4\u05d1\u05d0 \u05d1\u05d5 \u05e0\u05ea\u05de\u05e7\u05d3 \u05de\u05d4\u05d1\u05e0\u05ea \u05d4\u05ea\u05d5\u05e4\u05e2\u05d4 \u05d4\u05d2\u05dc\u05d5\u05d1\u05dc\u05d9\u05ea \u05dc\u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05de\u05e7\u05d5\u05de\u05d9\u05ea: \u05db\u05d4\u05db\u05e0\u05d4 \u05dc\u05e9\u05d9\u05e2\u05d5\u05e8 \u05d4\u05d1\u05d0 \u05e0\u05d9\u05ea\u05df \u05dc\u05d1\u05e7\u05e9 \u05de\u05d4\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd \u05dc\u05e6\u05e4\u05d5\u05ea \u05d1\u05e1\u05e8\u05d8\u05d5\u05df \u05e2\u05dc \u05e0\u05d7\u05dc \u05d0\u05dc\u05db\u05e1\u05e0\u05d3\u05e8 \u05d1\u05d1\u05d9\u05ea \u05d0\u05d5 \u05dc\u05d4\u05e7\u05e8\u05d9\u05df \u05d0\u05d5\u05ea\u05d5 \u05d1\u05db\u05d9\u05ea\u05d4 \u05d0\u05dd \u05e0\u05e9\u05d0\u05e8 \u05d6\u05de\u05df \u05e7\u05e6\u05ea \u05d1\u05e1\u05d5\u05e3 \u05d4\u05e9\u05d9\u05e2\u05d5\u05e8.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ced884f e-con-full e-flex e-con e-child\" data-id=\"ced884f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-51392c4 e-flex e-con-boxed e-con e-child\" data-id=\"51392c4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26c5229 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"26c5229\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"64\" height=\"64\" src=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/wp-content\/uploads\/sites\/2\/2023\/07\/Notes-Blue-1.png\" class=\"attachment-full size-full wp-image-3691\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4bdaa87 elementor-widget elementor-widget-text-editor\" data-id=\"4bdaa87\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u05d4\u05de\u05dc\u05e6\u05d5\u05ea \u05ea\u05d6\u05de\u05d5\u05df:<\/strong><\/p><p>1\u00a0 * 45 \u05d3\u05e7\u05d5\u05ea<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-23e132b e-flex e-con-boxed e-con e-child\" data-id=\"23e132b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e2ae41e elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"e2ae41e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"64\" height=\"64\" src=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/wp-content\/uploads\/sites\/2\/2023\/07\/Enrichment-1.png\" class=\"attachment-full size-full wp-image-4473\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4598350 elementor-widget elementor-widget-text-editor\" data-id=\"4598350\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u05de\u05e9\u05d1\u05e8 \u05d4\u05de\u05d9\u05dd \u05d1\u05e7\u05d9\u05d9\u05e4\u05d8\u05d0\u05d5\u05df (\u05e2\u05d3\u05db\u05d5\u05df \u05de2024)\u00a0<\/strong><br \/>\u05d4\u05d1\u05e6\u05d5\u05e8\u05ea \u05e9\u05dc 2015-2017 \u05d4\u05d3\u05d2\u05d9\u05e9\u05d4 \u05d0\u05ea \u05d4\u05d7\u05e9\u05d9\u05d1\u05d5\u05ea \u05e9\u05dc \u05e0\u05d9\u05d8\u05d5\u05e8, \u05d4\u05e4\u05d7\u05ea\u05d4 \u05d5\u05e0\u05d9\u05d4\u05d5\u05dc \u05e1\u05d9\u05db\u05d5\u05e0\u05d9\u05dd \u05dc\u05d0\u05e1\u05e4\u05e7\u05ea \u05d4\u05de\u05d9\u05dd \u05e9\u05dc \u05e7\u05d9\u05d9\u05e4\u05d8\u05d0\u05d5\u05df. \u05d4\u05e2\u05d9\u05e8\u05d9\u05d9\u05d4 \u05e9\u05d5\u05d0\u05e4\u05ea \u05dc\u05d4\u05d1\u05d8\u05d9\u05d7 \u05de\u05e2\u05e8\u05db\u05ea \u05d0\u05e1\u05e4\u05e7\u05ea \u05de\u05d9\u05dd \u05d7\u05d6\u05e7\u05d4 \u05d5\u05d0\u05de\u05d9\u05e0\u05d4 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05e0\u05d9\u05d4\u05d5\u05dc \u05de\u05e1\u05d5\u05d3\u05e8 \u05d5\u05d2\u05d9\u05e9\u05d4 \u05d4\u05de\u05d6\u05d4\u05d4 \u05d5\u05de\u05d8\u05e4\u05dc\u05ea \u05d1\u05e0\u05e7\u05d5\u05d3\u05d5\u05ea \u05ea\u05d5\u05e8\u05e4\u05d4 \u05de\u05e8\u05d0\u05e9.\u00a0<br \/>\u05d0\u05d1\u05d8\u05d7\u05ea \u05d0\u05e1\u05e4\u05e7\u05ea \u05d4\u05de\u05d9\u05dd \u05e0\u05d5\u05ea\u05e8\u05d4 \u05d1\u05e8\u05d0\u05e9 \u05e1\u05d3\u05e8 \u05d4\u05e2\u05d3\u05d9\u05e4\u05d5\u05d9\u05d5\u05ea \u05e9\u05dc \u05e7\u05d9\u05d9\u05e4\u05d8\u05d0\u05d5\u05df, \u05d5\u05d4\u05dc\u05e7\u05d7\u05d9\u05dd \u05e9\u05e0\u05dc\u05de\u05d3\u05d5 \u05de\u05e9\u05e0\u05d5\u05ea \u05d4\u05d1\u05e6\u05d5\u05e8\u05ea \u05de\u05de\u05e9\u05d9\u05db\u05d9\u05dd \u05dc\u05d4\u05d9\u05d5\u05ea \u05de\u05d9\u05d5\u05e9\u05de\u05d9\u05dd \u05db\u05d3\u05d9 \u05dc\u05d4\u05d1\u05d8\u05d9\u05d7 \u05e9\u05e7\u05d9\u05d9\u05e4\u05d8\u05d0\u05d5\u05df \u05ea\u05e4\u05d7\u05d9\u05ea \u05d0\u05ea \u05d4\u05d0\u05d9\u05d5\u05dd \u05e9\u05dc &#8216;\u05d9\u05d5\u05dd \u05d0\u05e4\u05e1&#8217; \u05d0\u05e4\u05e9\u05e8\u05d9 \u05e9\u05d5\u05d1.\u00a0\u00a0<br \/>\u05d1 2019 \u05e2\u05d9\u05e8\u05d9\u05d9\u05ea \u05e7\u05d9\u05d9\u05e4\u05d8\u05d0\u05d5\u05df \u05d9\u05d6\u05de\u05d4 \u05d5\u05d0\u05d9\u05e9\u05e8\u05d4 \u05d0\u05e1\u05d8\u05e8\u05d8\u05d2\u05d9\u05d9\u05ea \u05de\u05d9\u05dd \u05de\u05e1\u05d5\u05d3\u05e8\u05ea \u05e9\u05de\u05ea\u05e2\u05d3\u05db\u05e0\u05ea \u05d5\u05de\u05d3\u05d5\u05d5\u05d7\u05ea \u05db\u05dc \u05e9\u05e0\u05d4. \u05d4\u05d0\u05e1\u05d8\u05e8\u05d8\u05d2\u05d9\u05d4 \u05db\u05d5\u05dc\u05dc \u05de\u05e6\u05d3 \u05d0\u05d7\u05d3 \u05e0\u05d9\u05d4\u05d5\u05dc \u05de\u05e1\u05d5\u05d3\u05e8 \u05e9\u05dc \u05de\u05d9 \u05d4\u05ea\u05d4\u05d5\u05dd \u05d5\u05d4\u05d0\u05e7\u05d5\u05d5\u05d9\u05e4\u05e8, \u05e9\u05d9\u05de\u05d5\u05e9 \u05d7\u05d5\u05d6\u05e8 \u05d1\u05de\u05d9\u05dd \u05d5\u05d4\u05ea\u05e4\u05dc\u05d4, \u05db\u05de\u05d5 \u05d2\u05dd \u05e0\u05d9\u05d4\u05d5\u05dc \u05de\u05e9\u05d5\u05e4\u05e8 \u05e9\u05dc \u05db\u05dc\u05dc \u05de\u05e9\u05d0\u05d1\u05d9 \u05d4\u05de\u05d9\u05dd \u05e9\u05dc \u05d4\u05e2\u05d9\u05e8.\u00a0\u00a0<br \/>\u05d4\u05e2\u05d9\u05e8\u05d9\u05d9\u05d4 \u05d4\u05ea\u05d7\u05d9\u05d9\u05d1\u05d4 \u05dc\u05d4\u05d2\u05d9\u05e2 \u05dc\u05d0\u05e1\u05e4\u05e7\u05ea 300 \u05de\u05d9\u05dc\u05d9\u05d5\u05df \u05dc\u05d9\u05d8\u05e8 \u05e9\u05dc \u05de\u05d9\u05dd \u05db\u05dc \u05d9\u05d5\u05dd (MLD) \u05e2\u05d3 \u05e9\u05e0\u05ea 2030 \u05d5\u05d4\u05d9\u05d0 \u05de\u05ea\u05db\u05d5\u05d5\u05e0\u05ea \u05dc\u05e2\u05de\u05d5\u05d3 \u05d1\u05d4\u05ea\u05d7\u05d9\u05d9\u05d1\u05d5\u05ea \u05e9\u05dc\u05d4.\u00a0<br \/><a href=\"https:\/\/resource.capetown.gov.za\/documentcentre\/Documents\/City%20research%20reports%20and%20review\/Water_Outlook_March_2024.pdf\" target=\"_blank\" rel=\"noopener\">Cape Town Water Outlook 2024\u00a0\u00a0<\/a><br \/>\u05de\u05d9\u05d3\u05e2 \u05e0\u05d5\u05e1\u05e3 \u05d1\u05d3\u05e3 \u05e8\u05e7\u05e2 \u05d5\u05de\u05d9\u05d3\u05e2 \u05dc\u05de\u05d5\u05e8\u05d4\u00a0<\/p><p>\u05de\u05d9\u05d3\u05e2 \u05e2\u05dc \u05de\u05d7\u05e1\u05d5\u05e8 \u05d1\u05de\u05d9\u05dd \u05d0\u05d5 \u05d1\u05e6\u05d5\u05e8\u05ea \u05d1\u05e2\u05e8\u05d9\u05dd \u05d2\u05d3\u05d5\u05dc\u05d5\u05ea \u05d1\u05e2\u05d5\u05dc\u05dd:\u00a0<br \/><a href=\"https:\/\/www.globes.co.il\/news\/article.aspx?did=1001449967\" target=\"_blank\" rel=\"noopener\">\u05d4\u05d1\u05e6\u05d5\u05e8\u05ea \u05d4\u05d7\u05de\u05d5\u05e8\u05d4 \u05d6\u05d4 500 \u05e9\u05e0\u05d4: \u05d0\u05d9\u05e8\u05d5\u05e4\u05d4 \u05e0\u05db\u05e0\u05e1\u05ea \u05dc\u05e2\u05d9\u05d3\u05df \u05d4\u05d9\u05d5\u05d1\u05e9 (2023)\u00a0<\/a><\/p><p><a href=\"https:\/\/www.globes.co.il\/news\/article.aspx?did=1001130536\" target=\"_blank\" rel=\"noopener\">\u05d4\u05d1\u05e6\u05d5\u05e8\u05ea \u05d1\u05e7\u05dc\u05d9\u05e4\u05d5\u05e8\u05e0\u05d9\u05d4: 26 \u05d7\u05d1\u05e8\u05d5\u05ea \u05de\u05d9\u05dd \u05d9\u05e9\u05e8\u05d0\u05dc\u05d9\u05d5\u05ea \u05d9\u05d9\u05e0\u05e1\u05d5 \u05dc\u05e1\u05d9\u05d9\u05e2 (2016)\u00a0<\/a><\/p><p><a href=\"https:\/\/www.haaretz.co.il\/news\/world\/2012-04-06\/ty-article\/0000017f-ea2f-d4a6-af7f-feefe9130000\" target=\"_blank\" rel=\"noopener\">\u05d1\u05e6\u05d5\u05e8\u05ea \u05d1\u05d0\u05e0\u05d2\u05dc\u05d9\u05d4 (2012)\u00a0<\/a><\/p><p><a href=\"https:\/\/davidson.weizmann.ac.il\/online\/sciencenews\/%D7%94%D7%91%D7%A6%D7%95%D7%A8%D7%AA-%D7%91%D7%90%D7%A8%D7%A6%D7%95%D7%AA-%D7%94%D7%91%D7%A8%D7%99%D7%AA-%E2%80%93-%D7%94%D7%97%D7%9E%D7%95%D7%A8%D7%94-%D7%91%D7%99%D7%95%D7%AA%D7%A8-%D7%9E%D7%96%D7%94-1200-%D7%A9%D7%A0%D7%94\" target=\"_blank\" rel=\"noopener\">\u05d4\u05d1\u05e6\u05d5\u05e8\u05ea \u05d1\u05d0\u05e8\u05e6\u05d5\u05ea \u05d4\u05d1\u05e8\u05d9\u05ea &#8211; \u05d4\u05d7\u05de\u05d5\u05e8\u05d4 \u05de\u05d6\u05d4 1,200 \u05e9\u05e0\u05d9\u05dd (\u05d0\u05ea\u05e8 \u05d3\u05d5\u05d9\u05d3\u05e1\u05d5\u05df)\u00a0<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-454c3e5 e-flex e-con-boxed e-con e-parent\" data-id=\"454c3e5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fc10557 e-flex e-con-boxed e-con e-child\" data-id=\"fc10557\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f352d5 elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"9f352d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch1_2-heb\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><b>\u05dc\u05e9\u05d9\u05e2\u05d5\u05e8 1.2  <\/b><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30387af elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"30387af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch1-heb\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><b> \u05dc\u05ea\u05d9\u05d0\u05d5\u05e8 \u05e9\u05dc \u05e4\u05e8\u05e7 1<\/b><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9385eae elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"9385eae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch1_4-heb\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><b>\u05dc\u05e9\u05d9\u05e2\u05d5\u05e8 1.4  <\/b><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9238546 elementor-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"9238546\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch1_3-heb\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"><b>\u05dc\u05e9\u05d9\u05e2\u05d5\u05e8 1.3  <\/b><\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05de\u05d5\u05e8\u05d9\u05dd \u05d5\u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd &gt; \u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 \u05e4\u05e8\u05e7 1. \u05d4\u05d0\u05dd \u05e0\u05d2\u05de\u05e8\u05d9\u05dd \u05dc\u05e0\u05d5 \u05d4\u05de\u05d9\u05dd? \u05e9\u05d9\u05e2\u05d5\u05e8 1.1 \u05d4\u05d9\u05db\u05df \u05e7\u05d9\u05d9\u05de\u05ea \u05d1\u05e2\u05d9\u05d4 \u05e9\u05dc \u05d6\u05de\u05d9\u05e0\u05d5\u05ea \u05de\u05d9 \u05e9\u05ea\u05d9\u05d9\u05d4? \u05d7\u05d5\u05de\u05e8\u05d9\u05dd: \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 2-13 \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 2-4: \u05d4\u05e6\u05d2\u05ea \u05d4\u05d1\u05e2\u05d9\u05d4 \u05d3\u05e8\u05da \u05ea\u05d5\u05e4\u05e2\u05d4 \u05de\u05e2\u05d2\u05e0\u05ea \u00a0 \u05e9\u05e7\u05d5\u05e4\u05d9\u05ea 2: \u05d4\u05d0\u05dd \u05d9\u05ea\u05db\u05df \u05e9\u05d1\u05e2\u05d9\u05e8 \u05d2\u05d3\u05d5\u05dc\u05d4 \u05d5\u05de\u05e4\u05d5\u05ea\u05d7\u05ea \u05d9\u05d2\u05de\u05e8\u05d5 \u05d4\u05de\u05d9\u05dd?\u05ea\u05de\u05d5\u05e0\u05d5\u05ea \u05e9\u05dc: \u05d4\u05e2\u05d9\u05e8 \u05e7\u05d9\u05d9\u05e4 \u05d8\u05d0\u05d5\u05df, \u05d3\u05e8\u05d5\u05dd \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4 (\u05d4\u05ea\u05de\u05d5\u05e0\u05d5\u05ea \u05dc\u05de\u05e2\u05dc\u05d4) &#8211; \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4\u05d4\u05e2\u05d9\u05e8 \u05e1\u05df \u05d3\u05d9\u05d9\u05d2\u05d5 \u05d1\u05e7\u05dc\u05d9\u05e4\u05d5\u05e8\u05e0\u05d9\u05d4, [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false},"categories":[],"tags":[],"class_list":["post-7820","lesson_page","type-lesson_page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 - \u05e4\u05e8\u05e7 1 - \u05e9\u05d9\u05e2\u05d5\u05e8 1 - grand-challenges<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stweizmann.proj.ac.il\/grand-challenges\/he\/lesson_page\/quenching-a-thirsty-planet-ch1_1-heb\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 - \u05e4\u05e8\u05e7 1 - \u05e9\u05d9\u05e2\u05d5\u05e8 1 - grand-challenges\" \/>\n<meta property=\"og:description\" content=\"\u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05dc\u05de\u05d5\u05e8\u05d9\u05dd \u05d5\u05dc\u05ea\u05dc\u05de\u05d9\u05d3\u05d9\u05dd &gt; \u05d4\u05e9\u05e7\u05d9\u05d9\u05ea \u05d4\u05db\u05d3\u05d5\u05e8 \u05d4\u05e6\u05de\u05d0 \u05e4\u05e8\u05e7 1. \u05d4\u05d0\u05dd \u05e0\u05d2\u05de\u05e8\u05d9\u05dd \u05dc\u05e0\u05d5 \u05d4\u05de\u05d9\u05dd? \u05e9\u05d9\u05e2\u05d5\u05e8 1.1 \u05d4\u05d9\u05db\u05df \u05e7\u05d9\u05d9\u05de\u05ea \u05d1\u05e2\u05d9\u05d4 \u05e9\u05dc \u05d6\u05de\u05d9\u05e0\u05d5\u05ea \u05de\u05d9 \u05e9\u05ea\u05d9\u05d9\u05d4? \u05d7\u05d5\u05de\u05e8\u05d9\u05dd: \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 2-13 \u05e9\u05e7\u05d5\u05e4\u05d9\u05d5\u05ea 2-4: \u05d4\u05e6\u05d2\u05ea \u05d4\u05d1\u05e2\u05d9\u05d4 \u05d3\u05e8\u05da 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