Related topics: climate change
Greenhouse gas
hideGreenhouse gases are gases in an atmosphere that absorb and emit radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. Common greenhouse gases in the Earth's atmosphere include water vapor, carbon dioxide, methane, nitrous oxide, and ozone. In our solar system, the atmospheres of Venus, Mars and Titan also contain gases that cause greenhouse effects. Greenhouse gases greatly affect the temperature of the Earth; without them, Earth's surface would be on average about 33°C (59°F) colder than at present.
Human activities since the start of the industrial era around 1750 have increased the levels of greenhouse gases in the atmosphere. The 2007 assessment report compiled by the IPCC observed that "changes in atmospheric concentrations of greenhouse gases and aerosols, land cover and solar radiation alter the energy balance of the climate system", and concluded that "increases in anthropogenic greenhouse gas concentrations is very likely to have caused most of the increases in global average temperatures since the mid-20th century".
For more information about Greenhouse gas, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
News tagged with greenhouse gases
Japan launches 5th spy satellite
Space & Earth / Space Exploration
Nov 28, 2009 |
3.6 / 5 (9) |
3
(AP) -- Japan launched its fifth spy satellite into orbit Saturday in a bid to boost its ability to independently gather intelligence, the government said.
Search results for greenhouse gases
INL develops safer, more efficient nuclear fuel for next-gen reactors
Nov 30, 2009 |
4.4 / 5 (14) |
5
As the nation ponders its energy choices, Americans keep asking themselves: how can the country make better use of its resources and emit fewer greenhouse gases without hurting U.S. industries? A research ...
Scientists demonstrate multibeam, multi-functional lasers
Nov 30, 2009 |
5 / 5 (5) |
0
An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
Peat fires drive temperatures up
Nov 30, 2009 |
3.4 / 5 (5) |
0
Peatlands, especially those in tropical regions, sequester gigantic amounts of organic carbon. Human activities are now having a considerable impact on these wetlands. For example, drainage projects, in combination with the ...
Galician waves are best for producing energy
Nov 30, 2009 |
2.5 / 5 (4) |
0
The best coastal areas in the Iberian Peninsula in terms of harnessing wave energy are the Costa da Morte and Estaca de Bares, in La Coruña, Galicia, according to two pioneering studies by researchers from ...
List of search results for greenhouse gases
