Global warming is when the earth heats up. It happens when greenhouse gases trap heat and light from the sun in the earth is atmosphere. The world has a higher temperature and a variety of disaster.The current global warming climatic change season change, natural spectacle.
In nowadays, Global warming is a big problem, and a global threat that could cause damage to mankind and present very much. The main problem of global warming greenhouse gases is that on earth. The global warming issues everything from everyone.