Decarbonizing the US energy system

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Analysis and Comment

City Farm is a working sustainable farm that has operated in Chicago for over 30 years. Linda from Chicago/Wikimedia

How urban agriculture can improve food security in US cities

Urban farming can make it easier for city residents to obtain healthy, affordable food. But to raise big yields from small pieces of land, farmers need training and support.

Dam collapse at Brazilian mine exposes grave safety problems

Nearly 1,800 Brazilian dams are at risk of failure, according to the government. Fixing them is expensive – but ignoring aging dams can have considerable social, economic and environmental costs.

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Research and News

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Climate change

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Social justice

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Animal science

Scientists are raising Miami blue butterflies in captivity and reintroducing them in south Florida. Jeff Gage/Florida Museum of Natural History

Live cargo: How scientists pack butterflies, frogs and sea turtles for safe travels

How do you pack butterflies for shipping, or frogs for an overland hike to a new habitat? Three scientists explain how they keep threatened species safe on the road and in the air.

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Politics and the environment

Oil refiners are fined for exceeding air pollution limits when rules are enforced. AP Photo/David J. Phillip

The EPA has backed off enforcement under Trump – here are the numbers

Data gathered from EPA reports, staffers and retirees show the Trump administration has brought fewer environmental enforcement actions to conclusion and deferred more to states.

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Research and Expert Database

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