Tim McDonnell

Tim McDonnell is a Climate Desk associate producer. Read more of his stories here or follow him on Twitter.

Climate & Energy

5 charts that explain why Obama wants to clamp down on airplane emissions

Air travel is the largest unregulated source of carbon pollution in the U.S. -- but not for long.

Climate & Energy

Fracking could pollute drinking water, EPA says

But there's not much evidence that it has so far -- in part because oil and gas companies won't share their data.

Climate & Energy

CIA to close a secretive climate change science program

Scientists used the Medea program to study how global warming could worsen conflict. Now that project has come to an end.

Climate & Energy

The developing world is beating the U.S. at clean energy

Developing countries are poised to lead the world on clean energy investment.


Chris Christie accepts the reality of climate change — and doesn’t want to do a damn thing about it

The presidential wannabe isn't a climate denier, yet he opposes cap-and-trade and just about anything else that might curb emissions.


These 2 heroic scientists died while studying the climate

Marc Cornelissen and Philip de Roo were studying the Arctic's lowest winter ice cover on record. Then they fell through it.

Climate & Energy

Could wildfires undermine California’s grand climate goals?

California has the most ambitious climate plan in the nation, but if it loses too many trees to fire, it will have a hard time meeting its targets.

Climate & Energy

California wildfire conditions are a “recipe for disaster”

It's already looking bad, and it's going to get worse.

Climate & Energy

Can Obama fix Japan’s broken climate plan?

The Fukushima disaster screwed up Japan's climate strategy.