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Tag: Energy

Energy efficiency of fuels - how many kilometres can we drive ?
The picture shows energy efficiency of various fuels.
01 Mar 2012 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Bioenergy, general concept
The development of biorefineries can greatly support efforts to increase resource efficiency. Biorefineries integrate biomass conversion processes and equipment to produce fuel, power, and chemicals from biomass. By p...
01 Mar 2012 - by Nieves Lopez Izquierdo
Wealth of nations and energy consumption
To date, energy use and economic growth have been closely linked. As figure shows, there is a linear relationship between energy consumption and wealth as measured in the Gross Domestic Product (GDP) of nations.
01 Oct 2012 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Green jobs
If properly planned and managed, biofuels can contribute to a number of policy objectives which support the development of the green economy. For example, because agriculture is labour-intensive, job opportunities c...
01 Mar 2012 - by Nieves Lopez Izquierdo
The enlarged biofuels family
Figure illustrates the various feedstocks, which can be converted to biofuels for transport. However, this represents only part of the larger bioenergy family, which covers liquid, solid and gaseous biofuels for differe...
01 Mar 2012 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Savings in greenhouse gas emissions by fuel type
Biofuels, in the use phase, emit the carbon that has been previously absorbed during plant growth. Inputs during cultivation and conversion need to be accounted for. However, the bulk of GHG emissions are related to l...
01 Mar 2012 - by Nieves Lopez Izquierdo
Technical and sustainable biomass supply potentials and expected demand for biomass in 2050 (primary energy)
Technical and sustainable biomass supply potentials and expected demand for biomass in 2050 (primary energy).
01 Mar 2012 - by Nieves Lopez Izquierdo
Solar insolation
Solar insolation, the quantification of energy per surface area on the ground, can be used as an indicator for the potential for solar energy. This graphic presents solar insolation, calculated to annual averages from mo...
20 Jul 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
BSR energy intensity
Graphics from the year 2000 Baltic 21 biannual indicator-based status report on sustainable development in the Baltic Sea Region (Baltic 21 Series No 1/2000). The graphic shows a slight decline in energy intensity from 1...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
BSR renewable energy versus total final energy supply
Graphics from the year 2000 Baltic 21 biannual indicator-based status report on sustainable development in the Baltic Sea Region (Baltic 21 Series No 1/2000). The graphic shows an increase in the ratio of renewable energ...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
BSR efficiency in central transformation and transmission
Graphics from the year 2000 Baltic 21 biannual indicator-based status report on sustainable development in the Baltic Sea Region (Baltic 21 Series No 1/2000 ) BSR efficiency in central transformation and transmission has...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
BSR relative natural gas consumption
Graphics from the year 2000 Baltic 21 biannual indicator-based status report on sustainable development in the Baltic Sea Region (Baltic 21 Series No 1/2000). BSR relative natural gas consumption has remained constant fr...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Gross consumption of electricity in 1996 and prognoses until 2005
The graphic shows gross consumption of electricity in 1996 and prognoses until 2005. The projections to 2005 shows an increase from both 1996 and 2000 in the consumption of electricity in all the nordic countries.
13 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Exchanges of electricity in the Nordic countries in 1996
The graphic shows exchanges of electricity in the Nordic countries in 1996. The Nordic countries have a long tradition of cross-border cooperation in providing an efficient and reliable power supply. The main reason for ...
13 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Exchange of electricity in the Nordic countries, 1996
The graph shows exchanges of electricity in the Nordic countries in TWh. The Nordic countries have a long tradition of cross-border cooperation in providing an efficient and reliable power supply. The main reason for the...
13 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Losses in windstorm catastrophes
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 UNEP/GRID-Arendal
CO2 emissions from industrial processes and land use changes
Shows the different levels of CO2 emissions from industrial processes and land use changes from different regions. The major greenhouse gases are included within six sectors: Energy; Industrial Processes; Solvent and Ot...
17 May 2005 - by UNEP/GRID-Arendal
Factors influencing the greenhouse effect
There are three main factors that directly influence the energy balance of the earth: the total energy influx, which depends on the earth's distance from the sun and on solar activity; the chemical composition of the atm...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Major N2O emitting countries in Latin America and Caribbean
Shows the levels of N2O emissions from major Latin American and Caribbean countries and the source of the emissions. Brazil is one of the world’s largest emitters of N2O. Most of the N2O emissions in the region are gene...
17 May 2005 - by UNEP/GRID-Arendal
Intense hurricanes in the Atlantic Basin
Global average temperature increased by 0.6 ° C over the last century, while sea levels rose by 9 to 20 cm. The IPCC projects increases in the global average surface temperature by between 1.4°C and 5.8°C and in sea leve...
17 May 2005 - by UNEP/GRID-Arendal
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