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  Does Punxsutawney Phil believe in climate change?

In honor of Groundhog Day, Need to Know talks with one of Phil’s closest confidants about the secrets behind his prognostications, the mysteries of the “Inner Circle” and whether the world’s most famous weatherman believes in global warming.


Was the Roman Empire a victim of climate change?

A new study suggests environmental factors contributed to the downfall of the great empire.


‘A History of the Future’: Capturing the world to come

Through haunting landscape photos, the Canary Project shows glimpses of the world to come, transformed with the changing climate.


The life and death of climate legislation, in graphic form

There are lots of villains and no heroes in a comic strip about the short life and gritty death of the landmark climate change bill.


  WikiLeaks and climate change

Just as diplomats gathered to draft a new climate change accord, U.S. embassy cables released by WikiLeaks suggested that world leaders were largely pessimistic about the chances for success.


Turkey can be climate friendly; spinach, not so much

Though it might seem counterintuitive, turkeys can be climate friendly, while spinach can be as harmful for the planet as beef. In our holiday Climate Desk podcast, we look at how our food choices affect climate change — and vice versa.


Climate scientists prepare for new attacks after GOP wins

Climate scientists are preparing for new attacks from Republicans. But they don’t all agree on the right approach.


  Braving Iraq: Recovering the country’s lost marshlands

Need to Know previews an excerpt from “Braving Iraq”, a documentary produced by our colleagues at Nature about efforts to recover the marshes of southern Iraq.

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