Tim McDonnell

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

Climate & Energy

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

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

Business & Technology

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.

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.

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.

Climate & 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.

Climate & Energy

Why are fossil fuel companies sponsoring the Paris climate talks?

Corporate sponsors for COP21 include utility companies and a big bank with billions invested in coal mines and coal plants.

The Paris climate talks: Yes oui can!

Obama calls the climate fight an “act of defiance” against terrorism

As major U.N. talks kick off in Paris, the president acknowledged America's role in causing global warming.