Tag: Land

Ability of countries to support their citizens from their own environment
The Ecological Footprint measures the amount of productive land area needed to support a nation’s consumption and waste. This indicator shows that in many countries, as well as for the planet as a whole, the demand for n...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Emissions due to solid waste disposal on land
Landfi ling is the most common waste management practice, and results in the release of methane from the anaerobic decomposition of organic materials. Methane is around 20 times more potent as a GHG than carbon dioxide. ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Emissions of CO2 per capita 1990 (selected countries)
The graph shows emissions of CO2 per capita 1990. CO2 can be emitted as byproduct from the use of fossil fuel, by combustion, land-use conversion and cement production. Atmospheric concentrations of CO2 are increasing, a...
28 Sep 2005 - by UNEP/GRID-Arendal
Global soil degradation
Overview of the state of global soil degradation in the world. The loss of arable land has been caused by a number of factors, many or most of which are tied to human development. The primary causes are deforestation, ov...
06 Nov 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Trends in fertilizer use
Shows estimated growth in fertilizer use around the world. Compares statistics from 1959-1960, 1989-1990 to the prediction of 2020. Published in, 'GESAMP Report and studies number 71, Protecting the oceans from land-baes...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
The Antarctic convergence
The Antarctic convergence represents an important climatic boundary between air and water masses, and is also an approximate boundary for the Southern Ocean, surrounding the Antarctic continent. The water around the land...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
CO2 emissions from industrial processes and land use change
2 thematical maps: (1) CO2 emissions from industrial processes (http://www.grida.no/climate/vital/09.htm): This map depicts the unequal distribution of industry in the world. The significant part of carbon dioxide emiss...
28 Sep 2005 - by UNEP/GRID-Arendal
Deforestation in Rondonia (Brazil) in the nineties
The graph shows deforestation in Rondonia, Brazil. Brazil covers more than one quarter of the worlds tropical forests. Since 1980 the deforestation has steadily increased. Deforestration can occur as a result of the clea...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Trends in natural disasters
With growing population and infrastructures the world’s exposure to natural hazards is inevitably increasing. This is particularly true as the strongest population growth is located in coastal areas (with greater exposur...
29 Nov 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Acidification due to climate change - impacts for oceans and coral reefs
As carbon concentrations in the atmosphere increase from land use changes and emissions from fossil fuels - so do concentrations in the ocean, with resultant acidification as a natural chemical process. The skeletons of ...
01 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Freshwater withdrawal in agriculture, industry and domestic use
The agricultural sector is by far the biggest user of freshwater, primarily for irrigation of arable land. This graphic shows the relative percentages of water use by the agricultural, industrial and domestic sectors in ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Fish diversity in freshwater systems
Although freshwater ecosystems such as rivers, lakes and wetlands occupy less than 2% of the Earth's total land surface, they provide a wide range of habitats for a significant proportion of the world's plant and animal ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Trends in marine and freshwater populations
The Marine Species Population Index provides an assessment of the average change over time in the populations of 217 species of marine mammals, birds, reptiles, and fish. The index represents the average value of six reg...
17 May 2005 - by Delphine Digout, UNEP/GRID-Arendal
Industrial areas and seasonal zones of oxygen-depleted waters
This graphic illustrates that there is a strong correlation between the world's industrial areas and the areas in which seasonally oxygen-depleted waters occur. The accompanying text explains some of the effects of land-...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
River runoff by continent, 1921-1985
River runoff represents the accumlated water, from preciptation and meltwater, that feeds into rivers that feeds into seas. The estimated annual figures in this graphic is what volume of water that ends up in the World O...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Arctic, topography and bathymetry (topographic map)
The Arctic represents the northermost area of the World, the Arctic Ocean and the land areas that surrounds it. The region is characterized but cold temperatures, and ice and snow. The summers are short, but with long pe...
01 Oct 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Land cover - Baltic Sea region (BALANS)
The Baltic Sea region is covered by primarily forested land and cropland. This land cover map, delineated for the Baltic Sea drainage basin, is using the dataset prepared through the BALANS project, and represents the si...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Top 20 greenhouse gas emitters
Total greenhouse gas emissions and million tonnes of CO2 equivalent emitters including land use change and forestry for various worldwide countries.
04 Jun 2008 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Land cover changes in desert areas 1700,1900,2000 and 2050
The main land use change in desert areas has been the conversion of relatively barren drylands for agricultural needs, partially through irrigation. The conversion has historically primarily been to use the land for graz...
06 Mar 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Emissions of CO2 in Norway, 85-95
The graph shows emissions of CO2 in Norway from 1985 to 1995 and estimates future emissions from 1995 to 2010. CO2 can be created by use of fossil fuel, by land-use convertion, combustion or cement production.
12 Feb 2006 - by UNEP/GRID-Arendal
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