Economists on climate change: do we care?

Will the spending needed to prevent global warming cost the world more than just sitting back, or even enjoying the possible financial benefits of a hotter planet?

Economists are divided over that cold financial calculation in the week ahead of a major report on the issue to be presented to ministers of the world’s leading nations.



Reilly estimates the cost of staying within a 3 degrees temperature rise at 2 percent of global GDP in 2100, but at some 8 to 10 percent of GDP to stay under 2 degrees — or some $25 trillion in 2100 money — seen as a danger threshold.

alertnet