Climate impacts to cost world $7.9 trillion by 2050: Report Thu, 11/21/2019 - 15:46 Climate change could directly cost the world economy $7.9 trillion by mid-century as increased drought, flooding and crop failures hamper growth and threaten infrastructure, new analysis showed Wednesday. Tags Climate change world economy GDP Read more about Climate impacts to cost world $7.9 trillion by 2050: ReportAdd new comment