'The public needs to know the global implications of such actions,' a scientist told 'Newsweek.'
and co-author of the report, commented in a statement:"Simply, the pledges are far too little, too late."
Even so, the agreement was still significant because the U.S. and China, two major emitters, were at the table for the first time. Scott Barrett, professor of natural resource economics at Columbia University, who did not work on the report, told:"It is impossible to stabilize the temperature so long as emissions are increasing. Actually, to stabilize temperature, global emissions need to fall. To keep temperature well below 2 C, global emissions should start falling very soon, and fall rapidly.
"A consequence of this position is that it takes the wind out of the sails of the countries that were willing to act in the collective interest. The move has real and harmful consequences for the U.S. and for the world," he said. "For 75 years, the world has needed U.S. leadership to achieve great things together. That leadership has been withdrawn," said Barrett.
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