Worse still, methane is 30 times more harmful to the environment than carbon dioxide.Greenhouse gases like methane trap(吸 ) the sun's warmth close to the surface of the Earth, making the Earth warmer.The key to
How Global Warming Works Gases in the Earth’’s atmosphere act like glass in a greenhouse-trapping heat and making life on Earth possible. But there is a delicate balance. Burning coal, oil and natural gas increases atmospheric concentrations of these gases. Over the past century, increases in...
After a few hundred or thousand years, Mars might actually have an environment that humans could simply walk around in -- all thanks to the greenhouse effect. Global Warming: What's Happening? Power plants, cattle and cars are major contributors of greenhouse gases such as carbon dioxide and ...
Water vapor is more difficult to measure than the other greenhouse gases and scientists are uncertain as to the exact part that it plays in global warming. Scientists believe there is a correlation between the increase of carbon dioxide in our atmosphere and the increase of water vapor. The NOA...
In the last 100 years, humans burning fossil fuels have released carbon dioxide— one of the most potent planet-warming greenhouse gases — "at a far faster rate than any point in the previous 800,000 years of Earth history," Climate Central says. "The main cause of rapid global warming...
Earth's gravitational pull then causes the liquid to "fall" back down, completing the cycle. This cycle is also called a "positive feedback loop." Water vapor is more difficult to measure than the other greenhouse gases and scientists are uncertain as to the exact part that it plays in ...
The Earth's average surface temperature has risen 0.7 C (1.3 F) since humans accelerated emissions of carbon dioxide and other greenhouse gases during the Industrial Revolution. The Copenhagen Accord leaves negotiators some wiggle room, in that it didn't specify whether the 2-degree Celsius cap ...
ENERGY STARcertification is awarded to buildings and consumer products that meet strict energy performance standards set by the EPA. For buildings, this means using less energy, emitting fewer greenhouse gases, and saving money. ENERGY STAR-certified buildings are recognized for their energy efficiency...
The world is getting warmer. Human activity is the main reason for this, the United Nations (UN) said. For example, people use fossil fuels (化石燃料)like coal and oil. They give off a lot of greenhouse gases (温室气体)(especially CO2) into the air. This warms the earth. As a ...
Climate change impacts and adaptation for virtually all human activities are perhaps the greatest challenge mankind as ever faced. Regardless of the present and/or future measures taken to decrease greenhouse gases emissions, global climate change is currently well underway and its catastrophic ...