What is climate change and why is it important? Climate change refers to long -term changes in temperature and weather patterns. These changes can be natural, but since the 1800s, human activities - especially fossil fuels such as coal, oil and gas have been the main driver of climate change. When we burn fossil fuels, they leave greenhouse gases (such as carbon dioxide and methane) in the atmosphere. These gases trap heat from the sun, causing an average temperature of the Earth - an event known as global warming, a major aspect of climate change. Why is climate change important ? Rising temperatures: Increased global temperature causes heat, drought and wildfire, affecting both human health and environment. Snow and rising sea level: Snow is melting in polar regions, which increases the sea level. This threatens coastal communities and small island countries. Extreme weather events: climate change is making storms, floods, storms, and more rapid and dry. Effect on agriculture: Cha...
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