Grist: If the world puts off cooperative efforts to fight climate change until 2030, they will be more than three times as expensive as they would be in 2015.
Thats according to a study led by the Potsdam Institute for Climate Impact Research, published Wednesday in the journal Environmental Research Letters. A team of researchers modeled the economic impacts of possible international climate agreements and found that if the world starts in 2015 to take the difficult but necessary steps to limit global...