Journal of Biochemistry Research

Climate Change Scholarly Peer-review Journal

The Earth's average temperature is about 15C but has been much higher and lower within the past. There are natural fluctuations within the climate but scientists say temperatures are now rising faster than at many other times. This is linked to the atmospheric phenomenon, which describes how the Earth's atmosphere traps a number of the Sun's energy. Solar energy radiating back to space from the surface is absorbed by greenhouse gases and re-emitted altogether directions. This heats both the lower atmosphere and therefore the surface of the earth. Without this effect, the world would be about 30C colder and hostile to life. Scientists believe we are adding to the natural atmospheric phenomenon, with gases released from industry and agriculture trapping more energy and increasing the temperature. Climate change may be a change within the statistical properties of the climate system that persists for several decades or longer—usually a minimum of 30 years. These statistical properties include averages, variability and extremes. Climate change could also be thanks to natural processes, like changes within the Sun’s radiation, volcanoes or internal variability within the climate system, or thanks to human influences such as changes within the composition of the atmosphere or land use.    

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