What Do Around 3 Billion People Still Used For Cooking?

What Do Around 3 Billion People Still Used For Cooking? Indoor air pollution and household energy: the forgotten 2.6 billion. Around 2.6 billion people still cook using solid fuels (such as wood, crop wastes, charcoal, coal and dung) and kerosene in open fires and inefficient stoves. Most of these people are poor, and live in