The longer humans continue to pour carbon dioxide into the atmosphere,the closer we draw to leaving the next generation with an unmanageable climate problem, scientists say.
(Photo: Martin Meissner/AP)
A fresh study suggests that merely reducing greenhouse gas emissions won’t be enough, and that future generations will enjoy to invest in technology able to remove carbon dioxide from the atmosphere.
If humans immediately began reducing global greenhouse gas emissions by a relatively tall rate of 6 percent each year,the researchers estimate that the carbon extraction technology needed to get down to 350 parts per million could cost anywhere from $8 trillion to nearly $18.5 trillion. And if no emissions reductions occur, these costs could rise above $500 trillion through the end of the century. “Some consequences [of climate change] are already becoming inevitable, and but as yet it could be moderate if we begin to reduce emissions rapidly,” said Columbia University climatologist and former NASA scientist James Hansen.
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