The world is ‘perilously close’ to irreversible climate change

  • Amazon rainforest becomes a savanna

The 2.5 million square mile rainforest is so vast it creates its own rainfall and is home to 10% of the world’s species.

But rising temperatures and increasing drought are bringing it ever closer to crossing the threshold from lush rainforest to arid savannah.

“The recent evidence has been quite alarming. It really does look like we’re closing in on a place where a relatively ... 

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Increase in atmospheric methane set another record during 2021. Carbon dioxide levels also record a big jump

For the second year in a row, NOAA scientists observed a record annual increase in atmospheric levels of methane, a powerful, heat-trapping greenhouse gas that’s the second biggest contributor to human-caused global warming after carbon dioxide.

NOAA’s preliminary analysis showed the annual increase in atmospheric methane during 2021 was 17 parts per billion (ppb), the largest annual increase ... 

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