History of Global Temperatures The Earth has gone through changes in temperature before. The Earth has even gone through several ice ages, when the temperature dropped significantly and a lot of the world was covered in ice glaciers. Each time the planet eventually warmed up and melted the ice. Why is global warming important? Even small variations of the planet's average temperature can have.
Global warming is the ongoing rise of the average temperature of the Earth's climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming. It is a major aspect of climate change which, in addition to rising global surface temperatures, also includes its effects, such as changes in precipitation.
Global Warming and Climate Change. The amount of carbon dioxide in our atmosphere has been increasing since the industrial revolution. From the late 18th century, the rise of machines powered by burning fossils fuels led to amazing growth in manufacturing. These machines were mostly powered by burning large amounts of coal. Coal is made of.
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Discussion about their ideas of what is meant by climate change and global warming, and revisiting the polar regions on a globe or using Google Earth or similar, will provide a sound basis on which to develop their understanding.
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Global warming is primarily a problem of too much carbon dioxide in the atmosphere. This carbon overload is caused mainly when we burn fossil fuels like coal, oil and gas or cut down and burn forests. There are many heat-trapping gases (e.g. methane and water vapor), but CO2 puts us at the greatest risk of irreversible changes if it continues to accumulate unabated in the atmosphere. There are.