China and the U.S., the world’s top two greenhouse gas emitters, have collectively cost the global economy more than $3 trillion, forming the basis for potential litigation, according to research published Tuesday.
Researchers from Dartmouth College found that five of the world’s biggest emitters — the U.S., China, India, Russia and Brazil — cost the world some $6 trillion in gross domestic product over a quarter-century period. All five nations are among the five largest emitters worldwide except Brazil, which is the 12th-largest. The figure represents about 11 percent of annual global GDP during the study period.
The two biggest emitters, China and the U.S., accounted for more than $1.8 trillion each in lost global income from 1990 to 2014.
“This research provides an answer to the question of whether there is a scientific basis for climate liability claims — the answer is yes,” Dartmouth PhD candidate Christopher Callahan, the lead author of the study, said in a statement. “We have quantified each nation’s culpability for historical temperature-driven income changes in every other country.”
The […]