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This is a short article about global warming.The increase in Earth's average temperature over a long period of time. Carbon dioxide: A gas released by the burning of coal, natural gas, oil, and wood that traps heat in the atmosphere. Carbon footprint: The amount of carbon dioxide one human releases into the environment in a year.
Why is global warming important? This is important because Even small variations of the planet's average temperature can have a large impact on the environment. For example, the ice ages that occurred generally involved a reduction in the global temperature of around 5°C.
“Here are few of the things that scientists think may happen as the temperature rises. Some of them are already happening: Glaciers melting - Many glaciers are already melting and shrinking throughout the world. If the temperature increases they will continue to melt. Ocean levels will rise - As the glaciers melt, the ocean levels will rise. This could cause flooding in cities located near the coast. Migration of animals - Animals will migrate to cooler spots as their old habitats get too warm. This could upset the food chain and put some species in danger of extinction. Extreme weather - Some scientists think that warming will fuel more powerful hurricanes as well as more droughts and flooding in different areas of the world. Change in ecosystems - cold weather biomes such as the tundra will shrink, while desserts will continue to expand.”
