Tim McDonnell

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

Sucks to be the coal industry right now

The year is off to a bad start for purveyors of the dirtiest fossil fuel on earth.

U.S. President Barack Obama delivers his State of the Union address to a joint session of the U.S. Congress on Capitol Hill in Washington, January 20, 2015.

Watch every State of the Union climate promise Obama has ever made

The president has talked about climate change in every annual address, and you can bet that he'll do it again tonight.

Climate change could have a bigger impact on developed countries’ food systems

New research quantifies the devastating impact of extreme weather on essential crops.

The Obama administration just sued Volkswagen over its emissions cheating

The suit follows up on the EPA's allegations that VW installed illegal software to cheat on emissions tests.

Heads of state at COP21
The Paris climate talks: Yes oui can!

How world leaders came to agree on a landmark climate deal

The deal is far from an ultimate solution to climate change, but it represents unprecedented progress.

The Paris climate talks: Yes oui can!

The next 24 hours will have a huge impact on the future of Earth

Tension is rising between the United States and China as the deadline for a climate deal approaches.

The Paris climate talks: Yes oui can!

Got 90 seconds? Video explains the hopeful news out of the Paris climate talks

Negotiators just took a big step forward in the fight against global warming.

Eiffel Tower and clouds
The Paris climate talks: Yes oui can!

5 important developments from the Paris climate summit

After just a few days, billions of dollars have been committed to clean energy.

Air travel may have a lower carbon footprint than you thought

Sometimes taking a plane is actually more fuel-efficient than driving, research shows.