Around 3.5 billion people live in hot climates, but only 15% have access to cooling, mainly through air conditioning
Speaking to the Mail & Guardian at a conference on climate change, Inger Andersen says people need to demand their leaders put effective measures in place
This can be done by 2040 if there are changes in the market, a United Nations report has found
The UNEP said that global emissions need to fall by 7.6%, each year, every year until 2030 to limit global temperature rises to 1.5°C