Global warming is a big problem for all human. Global warming is caused by humans because of the burning fossil fuels, transport, industry became the greenhouse gas. These things happen from humans. In addition, human deforest to create the facility for themselves, so the occur many disasters. Because global warming cause weather in the world changed rapidly. Global warming is a lot of damage, so humans need to help reduce global warming such as, power saving, planting trees, reduce the use of plastic bags, etc. I think global warming is a problem that everyone needs to help solve.