Global Warming

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by rmarkopoulos
Last updated 6 years ago

Environmental Studies

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Global Warming

Things to know About Global Warming-Impacts our climate: our weather is changing, stronger storms, more floods, more fires because of drought-Impacts our health: contributes to air polltution which effects our health in negative ways. Human Impacts on Global Warming-The burning of fossil fuels such as coal, oil, and natural gas have contributed greatly to increases in global warming. This is because burning fossil fuels releases greenhouse gases such as CO2 which trap heat in the atmosphere. The more heat trapped in the atmosphere, the hotter our average global temperature gets. Primary Air Pollutants-Primary air pollutants are pollutants that are put directly into the atmosphere by human activity. There are 5 primary pollutants: --Carbon monoxide--Nitrogen oxides--Sulfur dioxide-Volatile organic compounds (VOCs)--Particulate matter --Particulates are tiny particles of liquid or solid matter that come from construction, agriculture, forestry, and fires. Cars and industrial processess also contribute particulates into the atmosphere. --They can form clouds that reduce visibility and cause a variety of respiratory problems. They have also been linked to cancer and they may corrode metals and erode buildings and sculptures.

Global Warming

CFC's(very bad for the Ozone layer)

Rosemarie MarkopoulosIntegrated Science II

Ozone layer is located in the Stratosphere of the Earth's atmosphere. It's purpose is to block out harmful Ultraviolet Radiation from the Sun.

Activities, Impacts, and Consequences

A gradual increase of Earth's averageTemp

The Ozone layer is composed of 3 oxygen molecules bonded together. These molecules are what protects us from the UV radiation of the sun. The Ozone layer also traps heat and keeps the Earth warm. Without the Ozone layer the Earth would be very cold and would not be able to support life.

When the sunlight hits the CFC molecule, Chlorine breaks off and then it free to attack Ozone. The chlorine breaks off one of the Oxygen atoms from Ozone and bonds with it. You then have two new molecules, Oxygen gas and Chlorine monoxide. There are several thousand CFC molecules attacking the ozone layer. One CFC molecule can destroy 100,000 Ozone molecules because it stays in the atmosphere for many decades.


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