The cause of global warming is also depend on the numbers of population. That is because if population increase so the numbers of house and food also increase ,then need to cutting down of forests to make more space to housing.
The global warming give many effect to animals and human, increase the temperature. A lot of animals were die because they cannot adapt in that hot weather. Human also get sick because the weather were change fast.
This cause actually we can help to cure it in many ways for example plant the trees. It very help us to decrease global warming because it is not only give oxygen but also take in carbon dioxide.