- BBC Science/Nature
- 21/9/17 18:10
The president asks leaders to commit to cutting emissions by at least 30% below 2020 levels by 2030.
The president asks leaders to commit to cutting emissions by at least 30% below 2020 levels by 2030.
Climate plans of more than 100 countries show we're heading in the wrong direction, the UN says.
It's 100 years since the great Antarctic explorer set out on his last voyage to the White Continent.
The 15 finalists of Prince William's inaugural Earthshot Prize are tackling the planet's problems.
The first pictures have been released showing the Inspiration4 crew looking down on the planet.
The three astronauts spent 90 days at China's space station, some 380km above Earth.
Fire-resistant blankets are being wrapped around California's famous sequoia trees as a blaze closes in.