Climate change refers to the long term increase in the average global temperature due to increasing greenhouse gases in the atmosphere. It is currently occurring mainly due to human activity, including burning fossil fuels and cutting down forests.
Climate change causes larger and more severe weather events, rising sea levels, and extinctions.
Also see the following:
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Global warming OR climate change in GreenFILE Note: this search will give you a lot of articles. You can refine the search results by adding topic keywords (polar bears, glaciers, etc).
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You may have heard people say that there is no such thing as global warming because it is snowing. However, they are confusing weather and climate.
Weather: short term local atmospheric conditions
Climate: long term averages of temperature, precipitation, etc.