A Delta rocket launches NASA’s Mars Phoenix Lander mission from Cape Kennedy in 2007.  Image courtesy NASA. University of Colorado March 31, 2009 The global market for rocket launches may require more stringent regulation in order to prevent significant damage to Earth’s stratospheric ozone layer in the decades to come, according to a new study …

CFCs The destruction of ozone is accelerated by certain trace gases containing nitrogen, hydrogen, bromine, and chlorine. These are referred to as ozone depletion chemicals. Consumption of ozone depleting substances expressed as million tonnes of ozone depletion potential (ODP), 1989-2009. ODP is a number that refers to the amount of ozone depletion caused by a …

Record stratospheric ozone loss in the arctic in spring of 2011 Geneva, 5 April 2011 GENEVA 5 APRIL 2011 (WMO) — Depletion of the ozone layer- the shield that protects life on Earth from harmful levels of ultraviolet rays – has reached an unprecedented level over the Arctic this spring because of the continuing presence …

Ozone Hole Area Minimum Ozone (million km2) (DU) Maximum Daily Minimum Daily Year Date Value Date Value 2004 22 September  22.8  04 October 102 http://ozonewatch.gsfc.nasa.gov   http://www.cpc.ncep.noaa.gov/products/stratosphere/sbuv2to/ozone_hole.html   2004 Antarctic Ozone Hole 10.12.04 NASA A relatively warm Antarctic winter in 2004 kept the thinning of the protective ozone layer over Antarctica, known as the ozone …

The climate of a planet is dependent how far it is from the sun, its mass and the composition of its atmosphere. Out of the earth’s atmosphere, 78% is nitrogen, 21% is oxygen while other gases account for only 1%. The water vapor content in the atmosphere varies from 0 to 2% while carbon dioxide …

Comparison ozone hole year 2003 development and growth with ozone hole year 2004 2003 2004 Environment Canada The total ozone maps are based on ground-based measurements available from the World Ozone and Ultraviolet Radiation Data Centre. Preliminary near real-time data from ground-based observations were also used for the most recent maps. Total ozone values are …

Rajendra Madhavrao Shende (born 13 July 1949) was the head of the OzonAction Branch of the United Nations Environment Programme, Division of the Technology, Industry and Economics (UNEP DTIE). He was also Review Editor for the IPCC Special report on Technology Transfer. He was also Coordinating Lead Author for the IPCC/TEAP special report] on safeguarding …

UV Index – Meaning: It is a measure of how strong is the sunburn and UV radiation at a given place and time. The UV index guide is there for a reason. It is to help you understand your potential risk to being out in the sun for too long. Some people might not know …

Ozone Hole Area Minimum Ozone (million km2) (DU) Maximum Daily Minimum Daily Year Date Value Date Value 1990 19 September  21.1  05 October 111 http://ozonewatch.gsfc.nasa.gov The 1990 Antarctic Ozone Hole as observed by TOMS The 1990 Antarctic ozone hole matched the record 1987 ozone hole in depth, duration, and area. During the formation phase of …

Ozone Hole Area Minimum Ozone   (million km2) (DU)   Maximum Daily Minimum Daily Year Date Value Date Value 2003 24 September  28.4  26 September 91 http://ozonewatch.gsfc.nasa.gov http://www.cpc.ncep.noaa.gov/products/stratosphere/sbuv2to/ozone_hole_plot.png           http://bascoe.oma.be/index.html     2003 ANTARCTIC OZONE ‘HOLE’ NEAR RECORD SIZE;COLD TEMPERATURES PLAY MAJOR ROLE Oct. 7, 2003 — This year’s Antarctic ozone …