Coronavirus is causing a dramatic drop in pollution in China
Greta Thunberg: EU climate law is 'surrender'
The diving bell spider encases its abdomen in an air bubble
These volunteers are cleaning Acapulco's seabed
The Green Blood Project
Abalone poaching in South Africa
Whale trapped in fishing net in endangered marine refuge
France: A pristine nature reserve in the Alps
How does snow form?
3 bad news stories for Antarctica
The enigmatic "cenotes" of Mexico's Yucatán peninsula
This people makes clothes from tree bark