--- title: David W. Yellen | TIME description: David W. Yellen is the Director of Climate Policy Innovation at Clean Air Task Force. canonical: https://time.com/author/david-w-yellen/ og:title: TIME | Current & Breaking News | National & World Updates og:description: Breaking news and analysis from time.com. Politics, world news, photos, video, tech reviews, health, science, and entertainment news. og:url: https://time.com/author/david-w-yellen/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 300 og:image:height: 300 og:image:alt: Breaking news and analysis from time.com. Politics, world news, photos, video, tech reviews, health, science, and entertainment news. og:type: profile twitter:card: summary_large_image twitter:title: TIME | Current & Breaking News | National & World Updates twitter:description: Breaking news and analysis from time.com. Politics, world news, photos, video, tech reviews, health, science, and entertainment news. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # David W. Yellen ## David W. Yellen David W. Yellen is the Director of Climate Policy Innovation at Clean Air Task Force. ## David W. Yellen *  Jul 28, 2026 ### [The Iran War Exposed Africa’s Biggest Energy Weakness](https://time.com/article/2026/07/28/the-iran-war-exposed-africa-s-biggest-energy-weakness/) The conflict will eventually subside. But without action, the vulnerabilities it has exposed will no... [IDEAS](/section/ideas/) Meta: {"meta\_title":"","meta\_description":"","og\_title":"","og\_description":"","og\_imageConnection":{"edges":\[\],"\_\_typename":"SysAssetConnection"},"twitter\_card":"summary\_large\_image","\_\_typename":"Seo"} ```json [{"@context":"https://schema.org","@type":"Organization","@id":"https://time.com/","name":"TIME","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https://time.com/","name":"Home"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/author/david-w-yellen/","name":"David W. Yellen"}}]},{"@context":"https://schema.org","@type":"Person","@id":"https://time.com/author/david-w-yellen/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/author/david-w-yellen/"},"name":"David W. Yellen","jobTitle":"","description":"David W. Yellen is the Director of Climate Policy Innovation at Clean Air Task Force.","url":"https://time.com/author/david-w-yellen/","worksFor":{"@type":"Organization","name":"TIME","url":"https://time.com/"}}] ```