carbon dioxide 썸네일형 리스트형 Bill Gates wants to reduce methane from cow burps We all know that cars and factories produce a lot of greenhouse gas. Not many of us know that livestock such as cows, deer and goats also create emissions. These farm animals are responsible for a lot of the world's methane. This is the most common greenhouse gas after carbon dioxide (CO2). Billionaire Bill Gates decided to do something about the methane these animals belch out. He invested in a.. 더보기 이전 1 다음
