Geohackers Want to Transform the Sahara into a Forest

A chemical group of scientists have a basal idea for combatingclimate modification : terraforming the Sahara Desert and replacing it with a lush woodland . But will its carbon capturing potential overbalance the negatively charged ecological consequences ?

In next month ’s issue of Climate Change , cell biologist Leonard Ornstein of the Mount Sinai School of Medicine and David Rind and Igor Aleinov of NASA ’s Goddard Institute for Space Studies outline their programme to plant a forest in the Sahara Desert . They nominate desalinating seawater from the desert ’s nearby ocean , and using aquaducts and pumps to contribute it inland . The thought is to plant Eucalyptus Grandis , which survives well in heat , which would be watered using drip mould irrigation . The threesome claim the trees would lower the Sahara ’s temperature by up to 8 ° C Celsius in some areas , take cloud to think over the sun ’s rays back into quad , and capture eight billion tons of carbon each year .

But the architectural plan is not without its downsides . Aside from the $ 2 trillion a class cost tag , the timberland would also likely prevent branding iron - rich dust from the sands from fluff into the Atlantic Ocean , iron that nurture nautical life . And the increase moisture could bring a pestis of locusts down on not just the Sahara , but the rest of Africa as well .

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