Planet Earth

Why are there still radioactive elements after billions of years? © Getty

Why are there still radioactive elements after billions of years?

How much does Earth’s atmosphere weigh? © Getty Images

The thought experiment: What if the Earth doubled in size?

© the ocean agency/paul g allen philanthropies,

AI uses deep learning to find heat-resistant coral reefs

Ella Al-Shamahi © Hsiao Ron Cheng

Did you hear the one about the anthropologist who walked into a comedy club?

Could climate change turn Earth into Venus? © Getty Images

Could climate change turn Earth into Venus?

Why (and how) does dew form? © Getty Images

Why (and how) does dew form?

How do ocean tides create magnetic fields? © Getty Images

How do ocean tides create magnetic fields?

A firefighter sprays water during a forest fire in the village of Kalamos. (Photo by Christos Ntountoumis/SOPA Images/LightRocket via Getty Images)

What has been causing 2018’s summer heatwave?

Sunbathers relax on the beach and in the sea in Brighton © Chris Ratcliffe/Bloomberg via Getty Images

What’s going on with the weather? – Dann Mitchell

10 lazy ways to save the planet © Adam Gale

10 lazy ways to save the planet

Firefighters watch a back burn during the Mendocino Complex fire in Upper Lake, California, 31 July 2018 © Josh Edelson/AFP/Getty Images

Wildfires: past, present and future – Prof Andrew Scott

19 natural wonders of the world to see before you die © Getty Images

19 natural wonders of the world to see before you die

Matt Winning, Climate Strange

“The best thing you can possibly do for your children’s future is to not have any children”

The thought experiment: What is the carbon footprint of an email? © Raja Lockey

The thought experiment: What is the carbon footprint of an email?