Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] … Wikipedia
Climate change feedback — See also: Avoiding dangerous climate change, Runaway climate change, and Abrupt climate change Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each… … Wikipedia
Carbon dioxide in the Earth's atmosphere — Carbon dioxide forms approximately 0.04% of the Earth s atmosphere. It is essential to photosynthesis in plants and other photoautotrophs, and is also a prominent greenhouse gas due to its radiative forcing strength.ConcentrationAs of November… … Wikipedia
Operation Tonga — This article summarises British airborne operations during the Normandy Landings. For American airborne operations, see American airborne landings in Normandy Operation Tonga Part of Normandy landings … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
History of the British Army — The history of the British Army spans over three and a half centuries and numerous European wars, colonial wars and world wars. From the early 19th century until 1914, the United Kingdom was the greatest economic and Imperial Power in the world,… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Normandy Invasion — ▪ European United States history Introduction also called Operation Overlord during World War II, the Allied invasion of western Europe, which was launched on June 6, 1944 (the most celebrated D Day of the war), with the simultaneous landing… … Universalium
501st Infantry Regiment (United States) — Infobox Military Unit unit name=501st Infantry Regiment caption=501st Infantry Regiment coat of arms nickname= Arctic Paratroopers Spartans motto= Geronimo! colors=Blue and White march= ceremonial chief=Chief Geronimo type=Airborne infantry… … Wikipedia
Operation Ladbroke — Part of World War II, Operation Husky … Wikipedia
