Reels tagged #climate

KnowledgeReels
Swipe up
Nature

The Sahara was green just 6,000 years ago

Grasslands, lakes and hippos covered North Africa during the African Humid Period. A slow wobble in Earth's orbit shifted the monsoon and the desert took over.

#nature#sahara#climate
Ocean

Most of your oxygen comes from the ocean

Tiny drifting plankton produce an estimated half or more of the oxygen we breathe — every second breath comes from the sea, not the forest.

#ocean#plankton#climate
Geography

The Amazon makes its own rain

The rainforest releases around 20 billion tonnes of water vapour a day, forming "flying rivers" that water much of South America.

#geography#amazon#climate
Biology

Tree rings are a climate archive

Each ring records one growing season — wide in good years, narrow in droughts. Overlapping rings from living and ancient wood reconstruct climate back thousands of years.

#biology#trees#climate