Ken Caldeira http://kalw.org en Today on Your Call: How is global warming affecting the oceans? http://kalw.org/post/today-your-call-how-global-warming-affecting-oceans <p></p><p> Mon, 11 Nov 2013 07:46:12 +0000 Malihe Razazan 35699 at http://kalw.org Today on Your Call: How is global warming affecting the oceans? Today on Your Call: Is geo-engineering our last hope against global warming? http://kalw.org/post/today-your-call-geo-engineering-our-last-hope-against-global-warming <p></p><p></p><p> Thu, 09 May 2013 16:59:31 +0000 Ali Budner 26938 at http://kalw.org Today on Your Call: Is geo-engineering our last hope against global warming?