Columbia Encyclopedia
Search results
216 results found
Montreal Protocol
(Encyclopedia)Montreal Protocol, officially the Protocol on Substances That Deplete the Ozone Layer, treaty signed on Sept. 16, 1987, at Montreal by 25 nations; 197 nations are now parties to the accord. The protoc...Montreal
(Encyclopedia)Montreal môNrāälˈ [key], city (1991 pop. 1,017,666), S Que., Canada, on Montreal island, surrounded by St. Lawrence River and Rivière des Prairies. Montreal is the second largest metropolitan are...protocol
(Encyclopedia)protocol prōˈtəkŏl [key], term referring to rules governing diplomatic conduct or to a variety of written instruments. Examples of the latter are authenticated minutes of international conferences...Kyoto Protocol
(Encyclopedia)Kyoto Protocol: see global warming. ...Geneva Protocol
(Encyclopedia)Geneva Protocol: see protocol.Montreal, University of
(Encyclopedia)Montreal, University of, at Montreal, Que., Canada; French language; established 1876 as a branch of Laval Univ. It became an autonomous university in 1919. It has faculties of arts and sciences, grad...chlorofluorocarbons
(Encyclopedia)chlorofluorocarbons klōrˌəflo͝orˈəkärˌbənz, klôrˌ– [key] (CFCs), organic compounds that contain carbon, chlorine, and fluorine atoms. CFCs are highly effective refrigerants that were deve...Kahn, Robert Elliot
(Encyclopedia)Kahn, Robert Elliot, 1938–, American computer scientist, b. Brooklyn, N.Y., B.E.E. City College of New York, 1960, Ph.D. Princeton, 1964. With Vinton Cerf, he is responsible for the design and imple...Cerf, Vinton Gray
(Encyclopedia)Cerf, Vinton Gray, 1943–, American computer scientist, b. New Haven, Conn., B.S. Stanford, 1965, Ph.D. Univ. of California, Los Angeles, 1972. With Robert Kahn, he is responsible for the design and ...Longueuil
(Encyclopedia)Longueuil, city (1991 pop. 129,874), S Que., Canada, on the St. Lawrence River opposite Montreal. It is a residential and industrial suburb of Montreal. It annexed Montreal South in 1961, and merged w...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
