chlorofluorocarbons
41Chlorine — This article is about the chemical element. For the bleach, see Sodium hypochlorite. For the upcoming film, see Chlorine (film). sulfur ← chlorine → argon F ↑ Cl ↓ Br …
42Catalysis — Catalyst redirects here. For other uses, see Catalyst (disambiguation). Solid heterogeneous catalysts such as in automobile catalytic converters are plated on structures designed to maximize their surface area …
43Hydrocarbon — Ball and stick model of the methane molecule, CH4. Methane is part of a homologous series known as the alkanes, which contain single bonds only. In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon …
44Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) …
45March 2 — << March 2011 >> Su Mo Tu We Th Fr Sa 1 2 3 …
46Methanol — Not to be confused with menthol. For methane water ice , see Methane clathrate. For resolution of hydrate / clathrate confusion, see hydrate. Methanol …
47Pollution — For the Fransisco Battiato album, see Pollution (album). For the Goodies episode, see Pollution (The Goodies). Air pollution from World War II weapon production in Alabama, 1942 …
48Terraforming — The terraforming (literally, Earth shaping ) of a planet, moon, or other body is the hypothetical process of deliberately modifying its atmosphere, temperature, surface topography or ecology to be similar to those of Earth to make it habitable by …
491989 — This article is about the year 1989. Millennium: 2nd millennium Centuries: 19th century – 20th century – 21st century Decades: 1950s  1960s  1970s  – 1980s –  1990s   …
50Greenhouse 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] …
