... is that same little effort here and there that will help humans solve the global warming crisis. In the last 20 years, the average global temperature has raised 1.53 degrees Fahrenheit. As a result, species around the earth have adapted. Mating seasons are now earlier and last longer due to warmer temperatures in the late winter. Droughts are a more common occurrence. According ... , location, and availability of natural resources. Each category has importance in the determination of a solution to climate change. The Coachella Valley in California, where average summer temperatures are 1...

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• Grade Level: Undergraduate

... of warm-air blanket that surrounds the planet. In fact, without it, scientists estimate that the average temperature on Earth would be colder by approximately 30 degrees Celsius (54 degrees Fahrenheit), far too cold to sustain our current ecosystem. Now, part of this scientific community believes that the global climate is warming because of greenhouse gas emissions from human activities, including ... ...

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... or vertically up mountainsides to escape warming habitats, others do not have this luxury or cannot migrate fast enough to survive. The earth's temperature has risen by over one degree Fahrenheit over the past century, based on land and sea level measurements. The temperature is expected to continue rising at a faster pace over the next century, possibly increasing by as much ... ...

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... most of the outgoing infrared radiation from the surface and lower atmosphere from escaping into outer space. This process occurs naturally and has kept the Earth's temperature about 60 degrees Fahrenheit warmer than it would otherwise be. Current life on Earth could not be sustained without the natural greenhouse effect. Weather stations, balloons, ocean buoys, and satellites tell us the Earth ... ...

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... "greenhouse gases" that include carbon dioxide, water vapor, and methane. It is also said that without the greenhouse effect, the entire plant would be much colder, by about 63 degrees Fahrenheit (35 degrees Celsius), than it presently is. In summary, scientists think rising levels of greenhouse gases such as carbon dioxide and methane in the atmosphere are contributing to global warming ... ...

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• Grade Level: Undergraduate