What is Global Warming and Greenhouse Effect?

Question

tell me as soon as possible

Answer 1

Carbon dioxide and other air pollution that is collecting in the atmosphere like a thickening blanket, trapping the sun's heat and causing the planet to warm up. Coal-burning power plants are the largest U.S. source of carbon dioxide pollution -- they produce 2.5 billion tons every year. Automobiles, the second largest source, create nearly 1.5 billionAlthough local temperatures fluctuate naturally, over the past 50 years the average global temperature has increased at the fastest rate in recorded history. And experts think the trend is accelerating: the 10 hottest years on record have all occurred since 1990. Scientists say that unless we curb global warming emissions, average U.S. temperatures could be 3 to 9 degrees higher by the end of the century.  tons of CO2 annually.

Global warming is already causing damage in many parts of the United States. In 2002, Colorado, Arizona and Oregon endured their worst wildfire seasons ever. The same year, drought created severe dust storms in Montana, Colorado and Kansas, and floods caused hundreds of millions of dollars in damage in Texas, Montana and North Dakota. Since the early 1950s, snow accumulation has declined 60 percent and winter seasons have shortened in some areas of the Cascade Range in Oregon and Washington.

Of course, the impacts of global warming are not limited to the United States. In 2003, extreme heat waves caused more than 20,000 deaths in Europe and more than 1,500 deaths in India. And in what scientists regard as an alarming sign of events to come, the area of the Arctic's perennial polar ice cap is declining at the rate of 9 percent per decade

Greenhouse gases effectively absorb thermal infrared radiation, emitted by the Earth’s surface, by the atmosphere itself due to the same gases, and by clouds. Atmospheric radiation is emitted to all sides, including downward to the Earth’s surface. Thus greenhouse gases trap heat within the surface-troposphere system. This is called the greenhouse effect.This is an analogy to the different mechanism of an actual greenhouse, which instead thermodynamically isolates the inside of the structure to stop convection and conduction from equalizing the inside and outside temperatures. The greenhouse effect was discovered by Joseph Fourier in 1824 and first investigated quantitatively by Svante Arrhenius in 1896.

In the absence of the greenhouse effect, the Earth's average surface temperature of 14 °C (57 °F) would be about -18 °C (–0.4 °F) .Global warming, a recent warming of the Earth's lower atmosphere, is believed to be the result of an enhanced greenhouse effect due to increased concentrations of greenhouse gases in the atmosphere.

In addition to the Earth, Mars and Venus have greenhouse effects.

The greenhouse effect is only one of many factors which affect the temperature of the Earth.

Answer 2

Global Warming is a scam to prevent U from having oil to support your life. Green house gas is suppost to be what caused GW. There are 2 major gas . The CO2 and Methane. The plants have removed most of the CO2 as they need CO2 to live. Methane gas is very light and just goes up till it is oxidized by the bright sun light. There is almost no green house gas ,so how can there be GW..  

Answer 3

Global Warming is the rise is global temperatures some effects are rise is sea levels

Greenhousee Effect is the process in which the emission of infrared radiation by the atmosphere warms a planet's surface.

Answer 4

you can search the following links on global warming  http://en.wikipedia.org/wiki/Global_warm... and following for green house effect

http://www.epa.gov/climatechange/kids/gr...