As history can show us, temperature fluctuations are expected throughout the millennia. Excluding the Little Ice Age and Medieval Warm Period, the Earth has experienced a multitude of changing climatic eras and temperature fluctuations, such as the Holocene Maximum, named because it was the hottest period in human history (Heib). ... Willie Soon explains, "Dramatic changes on Earth's climate are primarily caused by sunspots or planet-sized pockets of magnetism that strike the Earth's atmosphere as extra energy from the sun. ...

• Word Count: 1409
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate

This global warming is the result of the gradual increase of greenhouse gases in the ozone layer, thus trapping the sun's heat in the earth's atmosphere. ... However, developing countries in the construction period must be produced to have a lot of pollution, carbon emissions will be high, the West in the development period, too, but the West is a historical account does not count, as the Anglo-American history, 1,100 tons of carbon emissions per capita in China only 66 tons, not counting the historical account is not fair for developing countries. ...

• Word Count: 6155
• Approx Pages: 25
• Grade Level: Undergraduate

Hayward does not possess a Bachelor of Science degree in Natural Sciences but a Business degree and a Ph.D. in American history. ... The first summary statement mentions," Human influence on the climate system is clear, and recent anthropogenic emissions of greenhouse gasses are the highest in history. ... The resulting emission of greenhouse gasses traps energy from the sun inside the Earth's atmosphere producing the temperature to increase dramatically. ...

• Word Count: 2085
• Approx Pages: 8
• Has Bibliography
• Grade Level: Undergraduate

They also certified Honda's FCX with the EPA, which is the first and only fuel cell car in history to be approved for the roads and meet the zero emissions standard of the CARB (Rod Driess 2003). ... These cars work by collecting sunshine in the form of photons on photovoltoic panels made of semiconductive material that convert the sun's energy to electric energy. ...

• Word Count: 2418
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate