The global concentration of carbon dioxide in Earth's atmosphere reaches 350 ppm (parts per million) by volume. The level of 350ppm is regarded by James Hansen as the maximum permissible level that will avoid a climate tipping point.[1]
The Tasman Accord was signed in New Zealand by Tasman Forestry Ltd, environmental groups and the Government.
The first national park in the Netherlands is established in Schiermonnikoog.
Januaryedit
The Montreal Protocol on Substances that Deplete the Ozone Layer (a protocol to the Vienna Convention for the Protection of the Ozone Layer) comes into force. It is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances believed to be responsible for ozone depletion.
^McKibben, Bill (2007-12-28). "Remember This: 350 Parts Per Million". The Washington Post. Retrieved 2009-09-01.
April 10, 2024
1989, environment, this, list, notable, events, relating, environment, 1989, they, relate, environmental, conservation, environmentalism, environmental, issues, list, years, environment, table, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, . This is a list of notable events relating to the environment in 1989 They relate to environmental law conservation environmentalism and environmental issues List of years in the environment table 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Art Archaeology Architecture Literature Music Philosophy Science Contents 1 Events 1 1 January 1 2 March 1 3 May 1 4 October 2 See also 3 ReferencesEvents editThe global concentration of carbon dioxide in Earth s atmosphere reaches 350 ppm parts per million by volume The level of 350ppm is regarded by James Hansen as the maximum permissible level that will avoid a climate tipping point 1 The Tasman Accord was signed in New Zealand by Tasman Forestry Ltd environmental groups and the Government The first national park in the Netherlands is established in Schiermonnikoog January edit The Montreal Protocol on Substances that Deplete the Ozone Layer a protocol to the Vienna Convention for the Protection of the Ozone Layer comes into force It is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances believed to be responsible for ozone depletion March edit The Exxon Valdez oil spill occurred in Prince William Sound Alaska Edward Abbey dies Abbey was an American author and essayist noted for his advocacy of environmental issues and as author of The Monkey Wrench Gang May edit The last golden toad was sighted and the species is now classed as extinct October edit The Langkawi Declaration on the Environment was made by the assembled Heads of Government of the Commonwealth of Nations on the issue of environmental sustainability It was issued at Langkawi Malaysia during the tenth Commonwealth Heads of Government Meeting See also edit nbsp Environment portalHuman impact on the environment List of environmental issuesReferences edit McKibben Bill 2007 12 28 Remember This 350 Parts Per Million The Washington Post Retrieved 2009 09 01 Retrieved from https en wikipedia org w index php title 1989 in the environment amp oldid 1182780152, wikipedia, wiki, book, books, library,
