They let the Sun’s rays enter but stop much of the heat from leaving. The Earth is surrounded by a layer of gases which act like the glass walls of a greenhouse. Those seen over recent years and those which are predicted over the next century are thought to be mainly as a result of human behaviour. There is now strong evidence and broad-based agreement that major global warming cannot be explained just by natural changes. changes in energy received from the Sun.the relationship between the ocean and the atmosphere.Natural causes or human activityĪ variety of factors, both natural and human, can influence the Earth’s climate system. The world's climate varies naturally as a result of: These include the United Nations Intergovernmental Panel on Climate Change (IPCC), and many reputable scientific bodies around the world. Most of the leading science organisations around the world have given public statements that humans cause global warming and climate change. The vast majority of actively publishing climate scientists agree that humans are causing global warming and climate change. The evidence is clear that human-led activity is causing climate change.
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