New science: Trees now ‘coughing’ CO2

We all love trees – but in a changing climate trees are now “coughing” CO2! 

New science: ‘Trees typically remove CO2 from the air through photosynthesis, using it to grow. However, stressful conditions like high temperatures and limited water supply trigger a reverse process called photorespiration… Trees in warmer, drier climates are essentially coughing instead of breathing. They are sending CO2 right back into the atmosphere.’

#CollapseCat says – #TalkCollapse because this is collapse! 

Science: https://www.earth.com/news/trees-struggling-to-breathe-store-co2-hotter-climate/

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