These changes are happening because the Earth's air, water, and land are all linked to the climate. The Earth's climate has changed before, but this time is different.
People are causing these changes, which are bigger and happening faster than any climate changes that modern society has ever seen before. Certain gases in the atmosphere keep the Earth warm through a process called the greenhouse effect. Watch a brief animation Alternative version to learn more about the greenhouse effect and how people are causing it to become stronger.
A student's guide to Global Climate Change. Be Part of the Solution! Learn more about the climate. Find out how and why the climate is changing. But when the average pattern over many years changes, it could be a sign of climate change.
Here's an easy way to remember the difference between weather and climate: Climate helps you decide what clothes to buy, and weather helps you decide what clothes to wear each day. Climate refers to the average weather conditions in a certain place over many years.
For example, the climate in Minnesota is cold and snowy in the winter, and the climate in Honolulu, Hawaii, is warm and humid all year long. The climate in one area, like the Midwest or Hawaii, is called a regional climate. The average climate around the world is called global climate.
When scientists talk about global climate change, they're talking about the global climate and a pattern of change that's happening over many years. One of the most important trends that scientists look at is the average temperature of the Earth, which has been increasing for many years.
This is called global warming.
Rising global temperatures lead to other changes around the world , such as stronger hurricanes, melting glaciers, and the loss of wildlife habitats. That's because the Earth's air, water, and land are all related to one another and to the climate.
http://mx13.profession70476.tokyo/24176.php This means a change in one place can lead to other changes somewhere else. For example, when air temperatures rise, the oceans absorb more heat from the atmosphere and become warmer.
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Warmer oceans, in turn, can cause stronger storms. This diagram shows how global warming can lead to a variety of other changes. The weather naturally varies from year to year, and some years are hotter than others. Climate change occurs over many years, so a pattern of many hotter summers could be a sign of climate change.