Tuesday 28 March 2023

Global warming sees trees grow for extra month

Global warming sees trees grow for extra month

Global warming has seen trees grow for another month across the year.

That’s the key finding from research by Ohio State University, revealing how different species of trees will thrive or dive in response to climate change.

Records of growth in Ohio from 1883 to 1912 were compared with the modern day – detailing the impact that the world warming by 1.1°C since the industrial revolution has had on nature.

Seven species of hardwood trees were monitored across a four-year period – with the scientists finding that leaves remain on the trees today for 15% longer than they did in the 19th century.

Explaining the impact, lead author Professor Kellen Calinger-Yoak, said: “Things are not the way they used to be - they are profoundly different. An entire month of growing season extension is huge when we're talking about a pretty short period of time for those changes to be expressed.”

She added that this research could call into question tree-planting as a means to cut carbon.

Although Ms Calinger-Yoak accepted that it’s a good thing for more trees to absorb more emissions, she stressed that how different trees react to changing climates needs to be focussed on more.

Written by

Bruna Pinhoni

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