ozone layer depletion
91Sunlight — This article is about light emitted by the Sun. For other uses, see Sunlight (disambiguation). Sunshine redirects here. For other uses, see Sunshine (disambiguation). For natural lighting of interior spaces by admitting sunlight, see Daylighting …
92Climate Change Science Program — The Climate Change Science Program (CCSP) was the program responsible for coordinating and integrating research on global warming by U.S. government agencies from February 2002 to June 2009.[1] Toward the end of that period, CCSP issued 21… …
93Attribution of recent climate change — Further information: Global warming, Climate change, and Climate change denial Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent changes observed in the Earth s climate …
94Arctic Regions — ▪ 2009 The Arctic regions may be defined in physical terms (astronomical [north of the Arctic Circle, latitude 66° 30′ N], climatic [above the 10 °C (50 °F) July isotherm], or vegetational [above the northern limit of the tree line]) or in human… …
95Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …
96CFC — abbr. Chem. chloro fluorocarbon, any of various usu. gaseous compounds of carbon, hydrogen, chlorine, and fluorine, used in refrigerants, aerosol propellants, etc., and thought to be harmful to the ozone layer in the earth s atmosphere. * * *… …
97Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …
98Mushroom cloud — created by smoke billows Ascending cloud from Redoubt Vol …
99Paul J. Crutzen — Infobox Scientist name = Paul Jozef Crutzen box width = image width = caption = birth date = birth date and age|1933|12|3 birth place = Amsterdam, Netherlands death date = death place = residence = citizenship = nationality = ethnicity = field =… …
100radiation — 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… …
