Climate experts fear catastrophe unless the world grapples with global warming without delay. Image by Daniel Grossman. 2016.
Climate experts fear catastrophe unless the world grapples with global warming without delay. Image by Daniel Grossman. 2016. Add this image to a lesson

Negotiators this week are ironing out the details of the Paris Agreement, an international climate accord, in Marrakesh, Morocco. And they're coming to grips with what a Donald Trump presidency might mean for the agreement. Pulitzer Center grantee Daniel Grossman (@grossmanmedia) reports from the meeting.

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Planet Earth's average temperature has risen about one degree Fahrenheit in the last fifty years. By the end of this century it will be several degrees higher, according to the latest climate research. But global warming is doing more than simply making things a little warmer. 

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Courtesy Daniel Grossman
June 13, 2016 / The Fern
Dan Grossman
Philip Fearnside, a biologist who studies the relationship between human activities, such as agriculture, and the protection of tropical forests, says that soy production threatens the Amazon forest.
Courtesy Daniel Grossman
May 8, 2016 / Science Magazine
Dan Grossman
Ambitious experiment will test whether rising CO2 will boost the tropical carbon sink.