The definition of climate is the whether conditions prevailing in an area in general or over a long period. When there is a change after a long period of a time, it is called climate change. The reason why we need to study about these is that it helps us to understand what causes the changes. Also, it allows us to prepare for any natural hazard or extreme changes that can be predicted.
Recently, the world is getting warmer. According to an ongoing temperature analysis conducted by scientists at NASA's Goddard institute for space studies, the average global temperature on Earth has increased by about 0.8 degrees celsius since 1880.
Co2 is greenhouse gas. It absorbs energy from the sun and releases it back into the atmosphere. If the Co2 level increases, it will absorbs more energy from the sun and releases it back into the atmosphere. This gas cause greenhouse effect and it keeps the earth warmer and eventually temperature will increase. Even thought it is slight change, this slight change of global temperature causes huge differences within nature. One of the causes of Greenhouse effect, which is Co2 level, started to increase from the industrial revolution. It is good achieve improvement, but people need to aware that over use of technology can cause destruction of nature and destroy the balance.
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