Earth’s oldest asteroid impact ‘may have ended ice age’
The 2.2 billion-year-old asteroid impact may explain the end of an ice age, scientists say.
Author Archives: BBC News - Science & Environment
Davos: ‘Forget about net zero, we need real zero’ – Greta Thunberg
Teenage climate activist Greta Thunberg has addressed world leaders at the World Economic Forum in Davos, Switzerland.
Davos: Trump decries climate ‘prophets of doom’ with Thunberg in audience
The US president attacks activists at the World Economic Forum, with Greta Thunberg in the audience.