Clayton Aldern

Clayton Aldern is a senior fellow at Grist. Follow him on Twitter.

Bern out

Our favorite Bernie Sanders moments

His bold climate and energy agenda will leave a lasting impact on the Democratic Party.

Eiffel Tower at sunset
What are oui waiting for?

Big countries are still waiting to ratify the Paris climate deal. What’s the holdup?

From D.C. to Delhi, there’s a lot of politics going on behind the scenes.

Christiana Figueres, Executive Secretary of the United Nations Framework Convention on Climate Change (UNFCCC)
That Figueres

Top climate leader wants to be U.N.’s head honcho

United Nations climate chief Christiana Figueres is preparing to run for secretary-general.

Vote Leave campaign leader Boris Johnson prepares to speak at the group's headquarters in London, Britain June 24, 2016.
Mojo BoJo

Post-Brexit, U.K. favorite for prime minister is Trump-Lite on climate change

Former London Mayor Boris Johnson isn’t exactly a climate denier. But he’s something.

Vote leave poster, Euro referendum. Thames Ditton, Surrey
Brexit Stage Right

Brexit could have serious repercussions for the climate

What will Britain’s vote to leave the European Union mean for the Paris Agreement and climate action?

Chelsea Pensioners leave after voting in the EU referendum, at a polling station in Chelsea in London, Britain June 23, 2016.

Top architect of climate deal warns against Brexit

Climate advocates say Britain leaving the EU is bad news for the climate.

Denial's a river in D.C.

A peek into the relatively sane climate debates outside the United States

Turns out denial isn't a pre-req for political life elsewhere.

Pouf!

Our clean energy future, brought to you by loofahs

Researchers can improve rechargeable batteries by adding bits of modified sponge. Yes, really.

tree-total-ers

Trees lining California streets are worth an extra $1 billion a year

A new study calculates the value of the trees that line the state’s roads.