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Greenhouse Effect

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Introduction

The Greenhouse Effect and Global Warming Global temperature is the result of a balance between heat received from the sun and heat radiated back into space. The earth's atmosphere forms a protective layer, keeping some - but not all - of the sun's heat in. The Greenhouse effect is the gradual increase in global temperature as the result of increased emissions of gases such as carbon dioxide and methane, into the atmosphere. The result? Global Warming. The sun's rays enter the Earth's atmosphere, heat is reflected back from the planet's surface. ...read more.

Middle

It is now clear that we face a deepening global climate crisis that requires us to act boldly, quickly, and wisely," This quote illustrates Al Gore's message. The Theory � Carbon dioxide and other gases warm the surface of the planet naturally by trapping solar heat in the atmosphere. This is a good thing because it keeps our planet habitable. However, by burning fossil fuels such as coal, gas, and oil, and clearing forests we have dramatically increased the amount of carbon dioxide in the Earth's atmosphere and temperatures are rising. ...read more.

Conclusion

� The flow of ice from glaciers in Greenland has more than doubled over the past decade. � At least 279 species of plants and animals are already responding to global warming, moving closer to the poles. If the warming continues, we can expect catastrophic consequences. Deaths from global warming will double in just 25 years-to 300,000 people a year. Global sea levels could rise by more than 20 feet with the loss of shelf ice in Greenland and Antarctica, devastating coastal areas worldwide. Heat waves will be more frequent and more intense. Droughts and wildfires will occur more often. The Arctic Ocean could be ice free in summer by 2050. More than a million species worldwide could be driven to extinction by 2050. ...read more.

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