The world's oceans are absorbing carbon dioxide at an unprecedented rate and the resulting acidification is transforming marine ecosystems. Hari Sreenivasan reports on how ocean acidification is already affecting oysters and other shellfish in the U.S.
From Rooftop to Alleyway, Chicago Fights Extreme Urban Heat With Greener Ideas…
As global temperatures rise, urban areas are facing challenges in keeping their infrastructure and their residents cool. Chicago is tackling that problem with a green design makeover. This report is part of our Coping with Climate Change series.
By Saskia de Melker
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