Related topics: climate change

In Brazil town turning to desert, farmers fight to hang on

Standing amid a terrain of rugged red craters that looks like something from Mars, Brazilian farmer Ubiratan Lemos Abade extends his arms, pointing to two possible futures for this land fast turning to desert.

The complicated ecology of pit latrines

A new study sheds light on the complex microbial ecosystems found in pit latrines, which are used by billions of people around the world. The findings are relevant for efforts to both improve public health and reduce greenhouse ...

The true costs of corn

A model examines farmers' profits and the health and environmental costs of growing corn in the US Midwest, where about 20% of the world's corn is grown. Corn farming involves applying fertilizer or manure to provide the ...

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