Professor Diana Ürge-Vorsatz is vice chair of the IPCC working group that compiled research on consumption habits and the climate. If everyone – not just the richest 10 percent – changes their consumption patterns, emissions of carbon dioxide and other greenhouse gases can be reduced by 70 percent globally, she says.

Watch the entire "Climate hope: Do we need to change our behavior" segment on SVT Play on Thursday, December 14 at 9pm.ĉu˚vorsatz: "We need structures and policies that make it easy to make the right choices"