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Global Warming

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Global Warming
Introduction

Many researchers, scientists, and environmentalists are expressing concerns about changes in the overall climate of the earth. Some believe that a dramatically dangerous warming is taking place in the overall global climate, a problem that is referred to as "global warming." This paper will attempt to explore this very issue, its causes, dangerous and somehow deadly effects and how we could deal with this global crisis.

Global warming has become perhaps the most complicated issue facing world leaders. Warnings from the scientific community are becoming louder, as an increasing body of science points to rising dangers from the ongoing buildup of human-related greenhouse gases — produced mainly by the burning of fossil fuels and forests.

WHAT IS GLOBAL WARMING?

The global surface temperature is an estimate of the global mean surface air temperature. However, for changes over time, only anomalies... are used, most commonly based on the area-weighted global average of the sea surface temperature anomaly and land surface air temperature anomaly.

Per Wikipedia, "The Intergovernmental Panel on Climate Change (IPCC) concludes that... greenhouse gases are responsible for most of the observed temperature increase since the middle of the twentieth century, and that natural phenomena such as solar variation and volcanoes probably had a small warming effect from pre-industrial times to 1950 and a small cooling effect afterward.

These basic conclusions have been endorsed by more than 40 scientific societies and academies of science, including all of the national academies of science of the major industrialized countries.

What is Greenhouse Effect?

The greenhouse effect refers to circumstances where the short wavelengths of visible light from the sun pass through a transparent medium and are absorbed, but the longer wavelengths of the infrared re-radiation from the heated objects are unable to pass through that medium. The trapping of the



References: http://usliberals.about.com/od/environmentalconcerns/a/GlobalWarm1.htm and http://www.termpaperwarehouse.com/essay-on/Global-Warming/64134 - Global Warming http://www.x98ruhf.net/global_warming.htm - Greenhouse Effect and Green House Gases http://www.environmentalgraffiti.com/sciencetech/5-deadliest-effects-of-global-warming/276?image=0#vV2PxdKC2qoyypZV.99 – Effects of Global Warming http://planetsave.com/2009/06/07/global-warming-effects-and-causes-a-top-10-list/ - Causes of Global Warming http://environment.about.com/od/globalwarming/tp/globalwarmtips.htm - Prevention of Global Warming http://www.portaec.net/library/energy/government_solutions_to_global_w.html - Government Solution to Global Warming

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