destruction of the ozone layer
41climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
42List of climate scientists — Climate scientists study the statistics of the Earth s temperature (top) and precipitation (bottom) for a better understanding of the climate system. This list of climate scientists contains famous or otherwise notable persons who have contribute …
43earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… …
44Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
45Atmospheric Chemistry Observational Databases — Over the last two centuries many atmospheric chemical observations have been made from a variety of ground based, airborne, and orbital platforms and deposited in databases. Many of these databases are publicly available. All of the instruments… …
46List of environmental agreements — List of international environmental agreements. Most of the following agreements are legally binding. Agreements are listed in both alphabetical order and in order of topic.These lists need tidying up and making congruent with one… …
47electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
48pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …
49Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
50Mario J. Molina — Mario Molina Mario Molina at a conference on climate change Born March 19, 1943 …
