Green spaces really do make cities cooler. Here's how
Heat waves hit cities hard – and with climate change, they're only getting worse. Here's how even small gardens, parks and treed areas can make a difference.
Climate change
Let's hear it for the bogs
The UK's peatlands hold billions of tonnes of carbon – far more than its woodlands. Which is why the 12,000-year-old Border Mires of northern England are finally getting the restoration attention they're due.
What will it take to bring back Oregon's kelp forests?
Kelp forests are critical ecosystems and effective carbon sinks, too – but they're under threat around the world. This team of free divers and scientists is trying to make a difference, one purple urchin at a time.