10 facts about global warming.
1. Global warming is the gradual increase in the average temperature of the Earth’s atmosphere and oceans in recent decades, caused by the emission of gases that trap the sun’s heat in the Earth’s atmosphere.
2. Latest report. The Intergovernmental Panel on Climate Change concluded it was “very likely” — or more than 90 % probable — that human activities led by burning fossil fuels explained most of the warming in the past 50 years.
3. There is general agreement that the our planet is naturally warmed to some extent by atmospheric gases, principally water vapor, in what is often called a “greenhouse effect”. Carbon dioxide is a minor greenhouse gas. In the atmosphere there is over a hundred times the concentration of water vapour, which is the dominant greenhouse gas.
4. All forms of life at Earth needs “greenhouse effect”. Without the “greenhouse effect” we would all be dead.
5. Over the last million years the Earth has fluctuated between colder and warmer periods. The shifts have occurred in roughly 100,000-year intervals thought to be regulated by sunlight.
6. The Kyoto Protocol is the main plan on our planet for capping emissions of greenhouse gases until 2012. The Kyoto Protocol would have a devastating effect on the world economy but, since carbon dioxide is a minor greenhouse gas, an undetectable effect on the climate.
7. Another popular version of global warming is El Niño (also written in English as El Nino and La Nina). El Nino is global weather phenomen. El Nino means “the baby boy,” so named by the Peruvians because of its typical appearance around Christmas time.
8. If all of the Antarctic ice melted, sea levels around the world would rise about 61 meters (200 feet).
9. Skeptics of global warming have used satellite and weather balloon data to argue that climate models were wrong and that global warming isn´t really happening.
10. Airline tycoon Richard Branson announced on Friday a $25 million prize for the first person to come up with a way of scrubbing greenhouse gases out of the atmosphere in the battle to beat global warming.
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