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How Do We Know Greenhouse Gases are Increasing Because of Human Activity?

Posted by Arthur Author on Feb 10, 2013 in Climate Change, Home Exclude, Learning Center

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Some greenhouse gases (GHG), such as industrial halocarbons, are only made by humans, and thus their presence in the atmosphere can only be explained by human activity.

How Much do Greenhouse Gas Emissions Have to be Reduced to Stop Climate Change?

Posted by Arthur Author on Feb 9, 2013 in Climate Change, Home Exclude, Learning Center

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Current atmospheric concentrations of greenhouse gases are projected to increase global temperatures by an additional 1^oF in coming decades.

What are Carbon “Sinks?”

Posted by Arthur Author on Feb 6, 2013 in Climate Change, Home Exclude, Learning Center

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“Sinks” are reservoirs that remove carbon dioxide (CO₂) from the atmosphere and store it, sometimes by converting it to another compound.

Is There any Connection Between Global Warming and the Ozone Layer?

Posted by Arthur Author on Feb 2, 2013 in Climate Change, Home Exclude, Learning Center

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Ozone is a greenhouse gas, and ozone depletion in the upper atmosphere is believed to have had a slight cooling effect, especially over Antarctica where the “ozone hole” exists in the upper atmosphere.

What are the Most Important Greenhouse Gases and Their Sources?

Posted by Arthur Author on Feb 1, 2013 in Climate Change, Home Exclude, Learning Center

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The list below of greenhouse gases is in order of most abundant in the atmosphere.

What is the Greenhouse Effect and How Does it Work?

Posted by Arthur Author on Jan 25, 2013 in Climate Change, Home Exclude, Learning Center

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The greenhouse effect is a naturally occurring process in the earth’s atmosphere that warms the planet. In the absence of a greenhouse effect, the average temperature at the earth’s surface would be approximately 60^oF colder.

Won’t Some Warming Benefit Countries that Have a Lot of Cold Weather?

Posted by Arthur Author on Jan 20, 2013 in Climate Change, Home Exclude, Learning Center

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Some people argue that cold countries are likely to be climate change “winners.” For example, warmer temperatures in Russia could reduce heating fuel consumption, lengthen the agricultural growing season, and open up transportation routes and access to mineral and energy deposits in the Arctic.

Is There a Link Between Extreme Weather and Climate Change?

Posted by Arthur Author on Sep 10, 2012 in Climate Change, Home Exclude, Learning Center

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Extreme weather events, especially heat waves and heavy precipitation (both rain and snow), have been getting more frequent and more intense for several decades.