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Greenland, showing rates of surface-elevation change between the late 1990s and 2003
Mass-balance estimates for Greenland show thickening at high elevations since the early 1990s at rates that increased to about 4 cm per year after 2000, consistent with expectations of increasing snowfall in a warming cl...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Forests working for the global climate - Reducing Emissions from Deforestation in Developing Countries (REDD)
Carbon trading of credits from avoided deforestation could yield billions of dollars for tropical countries, according to an analysis by Rhett A.Butler, founder and editor from mongabay.com, a leading tropical forest web...
12 May 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Greenland, showing rates of surface-elevation change between the late 1990s and 2003
Mass-balance estimates for Greenland show thickening at high elevations since the early 1990s at rates that increased to about 4 cm per year after 2000, consistent with expectations of increasing snowfall in a warming cl...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Natural hazard hotspots, by risk type
Disasters and natural hazards represents one strong aspect of vulnerability for the exposed and poor of the World. With climate change, the frequency of certain natural hazards are expected to increase. This map presents...
08 Mar 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Freshwater use by sector at the beginning of the 2000s
The agricultural sector is by far the biggest user of freshwater. Analysis indicates that: - In the United States, agriculture accounts for some 49% of total freshwater use, with 80% of this volume being used for irriga...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique)
Level of river fragmentation and flow regulation
River fragmentation - The interruption of a river’s natural flow by dams, inter-basin transfers or water withdrawal - is an indicator of the degree to which rivers have been modified by man (Ward and Stanford, 1989, and ...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique), March 2006
Water withdrawal and consumption: the big gap
Freshwater use by continents is partly based on several socio-economic development factors, including population, physiographic, and climatic characteristics. Analysis indicates that: - Annual global freshwater withdraw...
26 Jan 2009 - by Phillipe Rekacewicz, February 2008
Transboundary water governance - averting conflict
Most governments recognize that violence over water is seldom strategically workable or economically viable and the most hostile enemies have a capacity for cooperation where water is concerned. The institutions that the...
26 Jan 2009 - by GRID-Arendal
Distribution of benefits under different land use scenarios in the Leuser Ecosystem
Net present value (NPV) is in millions of USD over a 30-year period (2000-2030) at a 4% discount rate. The NPV for local communities under a deforestation scenario would be 3,132 million USD and under a conservation scen...
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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