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Tag: Atmosphere

Norwegian emissions of SF6
SF6 is a gas that is used in circuit breakers and other switchgear as an electrical insulator. SF6 is a highly potent greenhouse gas, over 23,900 times more effective at trapping infrared radiation than carbon dioxide.
12 Feb 2006 - by Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Emissions of SF6 in Norway, 85-96
The graph shows emissions of SF6 in Norway from 1985 to 1996.SF6 is a highly potent greenhouse gas used in the industry for insulation in high voltage equipment and current interruption in electric transmission and distr...
12 Feb 2006 - by UNEP/GRID-Arendal
Norwegian emissions of methane (1985-1996)
The graph shows Norwegian emissions of methane from 1985 to 1996. Methane is emitted to the atmosphere by both natural and anthropogenic sources. Among these are fossil fuels, waste dumps, and livestock.
12 Feb 2006 - by Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Radiative forcing - energy balances and the greenhouse effect
Radiative forcing is the change in the balance between radiation coming into the atmosphere and radiation going out. A positive radiative forcing tends on average to warm the surface of the Earth, and negative forcing te...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Change in permafrost temperature in Fairbanks (Alaska)
With a doubling of atmospheric CO2, it is likely that there will be increases in the thickness of the active layer permafrost and the disappearance of most of the ice-rich discontinous permafrost over a century-long time...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Main greenhouse gases
The table lists some of the main greenhouse gases (such as carbon dioxide, methane, and freons) and their concentrations in pre-industrial times and in 1994; atmospheric lifetimes; anthropogenic sources; and Global Warmi...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
CO2 concentration in the atmosphere (1959-1998)
CO2 concentrations in the atmosphere have been measured at an altitude of about 4,000 meters on the peak of Mauna Loa mountain in Hawaii since 1958. The measurements at this location, remote from local sources of polluti...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Greenhouse effect
Human activities are causing greenhouse gas levels in the atmosphere to increase. This graphic explains how solar energy is absorbed by the earth's surface, causing the earth to warm and to emit infrared radiation. The g...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Temperature and CO2 concentration in the atmosphere over the past 400 000 years
Over the last 400,000 years the Earth's climate has been unstable, with very significant temperature changes, going from a warm climate to an ice age in as rapidly as a few decades. These rapid changes suggest that clima...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Carbon cycle
Carbon is the basis of all organic substances, from fossil fuels to human cells. On Earth, carbon is continually on the move – cycling through living things, the land, ocean, atmosphere. What happens when humans start dr...
17 May 2005 - by UNEP/GRID-Arendal
Greenhouse effect
Human activities are causing greenhouse gas levels in the atmosphere to increase. This graphic explains how solar energy is absorbed by the earth's surface, causing the earth to warm and to emit infrared radiation. The g...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Temperature and CO2 concentration in the atmosphere over the past 400 000 years
Over the last 400,000 years the Earth's climate has been unstable, with very significant temperature changes, going from a warm climate to an ice age in as rapidly as a few decades. These rapid changes suggest that clima...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Main greenhouse gases
A table of the main greenhouse gases and their attributes, sources and concentration levels from 1998. Naturally occurring greenhouse gases include water vapour, carbon dioxide, methane, nitrous oxide, and ozone. Greenh...
17 May 2005 - by UNEP/GRID-Arendal
Climate change and malaria, scenario for 2050
With climate conditions changing in the future, due to increased concentrations of carbon dioxide in the atmosphere, conditions for pests also change. The primary Malaria agent, the falciparum malaria parasite, will be a...
01 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Global average temperature 1880 - 2100
The graph shows the average global temperature from 1880 to 2100. It shows that the average global temperature has slowly increased since 1880 and is estimated to increase noticably over the course of the next hundred ye...
12 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Global and selected annex 1 countries emissions of greenhouse gases (CO2, CH4, N2O) in projections
Emissions from human activities, and primarily fossil fuels, contribute to climate change, global warming and the greenhouse effect. This is primarily from industry, energy, transportation and related sectors. Please not...
12 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
CO2 concentration in the atmosphere (1959-1998)
CO2 concentrations in the atmosphere have been measured at an altitude of about 4,000 meters on the peak of Mauna Loa mountain in Hawaii since 1958. The measurements at this location, remote from local sources of polluti...
12 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Environment in Central Asia [Russian]
There are 25 billion tonnes of waste just from mining and metal production in Central Asia. The most effected areas are highlighted based on a variety of different types of environmental damage such as desertification an...
14 Feb 2006 - by I. Atamuradova, V. Yemelin, P. Rekacewicz, UNEP/GRID-Arendal
Environment in Central Asia
There are 25 billion tonnes of waste just from mining and metal production in Central Asia. The most effected areas are highlighted based on a variety of different types of environmental damage such as desertification an...
14 Feb 2006 - by I. Atamuradova, V. Yemelin, P. Rekacewicz, UNEP/GRID-Arendal
The Cryosphere, components and world maps
Snow and the various forms of ice - the cryosphere - play different roles within the climate system. The two continental ice sheets of Antarctica and Greenland actively influence the global climate over time scales of mi...
01 Oct 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
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