More than 15,000 scientists around the world have issued a global warning: there needs to be change in order to save Earth. It comes 25 years after the first notice in 1992 when a mere 1,500 scientists issued a similar warning. Growing middle class and its carbon footprint"Since 1992, carbon emissions have increased 62 per cent," Ripple said. "But what sometimes people miss … they miss what's happening in the middle," Crist said. And it's the middle class where people begin to increase their carbon footprint: they buy appliances and cars, eat more meat and travel.

Source: CBC News November 13, 2017 15:00 UTC