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Projected changes in CO2 and climate: assumptions in the IPCC 1992 scenarios Projected changes in CO2 and climate: assumptions in the IPCC 1992 scenarios
Projected anthropogenic CO2 emissions from fossil fuel use, deforestation and cement production are shown for some of the IPCC emission scenarios. The highest emission scenario - IS92e - assumes moderate population growth, high economic growth, high fossil fuel availability, and a phase out of nuclear power; and the lowest emission scenario - IS92c - assumes low population growth, low economic growth, and severe constraints on fossil fuel suppli...
06 Nov 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Freshwater stress and risk Freshwater stress and risk
One study suggests that although global water conditions may worsen by 2025 due to population pressure, climate change could have a net positive impact on global water resources. NB! Note that other studies indicate that with present consumption patterns, 2 of every 3 persons on Earth will experience water stress by 2025. The diagram on the left side shows the result of this particular study, indicating the water availability for the population...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Kyoto protocol, 2002 target status Kyoto protocol, 2002 target status
Target reached in 2002, but the emissions are increasing again. By the end of 2005, countries that are obliged to reduce their greenhouse gas emissions shall report on their progress towards reaching the emission targets set in the Protocol. Even if the total emissions from Annex 1 countries decreased by 6,4 % between 1990 and 2002, only a few of these countries can report on a real progress in reaching their emission targets. The decrease is mai...
17 May 2005 - by Robert Barnes, UNEP/GRID-Arendal
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Projected reduction in snow 2080-2100 Projected reduction in snow 2080-2100
Using one specific climate change model (ECHAM5) and the SRES A2 emission scenario (run 2) the projected loss of snow amounts to decreases of 60–80 per cent in monthly maximum snow water equivalent over most middle latitudes by the end of this century. The largest decreases are projected over Europe, while the model projects increases are in the Canadian Arctic and Siberia. Snow presents an important factor for ecosystems, water and human activit...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
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Sea ice concentration change over the 21st century as projected by climate models Sea ice concentration change over the 21st century as projected by climate models
The data are taken from climate model experiments of 12 (out of 24) different models that were conducted for the IPCC Assessment Report 4 using the SRES A1B greenhouse gas emission scenario. Plots on the right show changes in late summer and those on the left show changes in late winter. Notes: 1) sea ice extent is the area in which a defined minimum of sea ice can be found. sea ice concentration is the proportion of the ocean area actually cover...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
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Greenhouse gas emissions per capita in Latin America and the Caribbean, 2005 Greenhouse gas emissions per capita in Latin America and the Caribbean, 2005
In 2005, per capita emissions in Latin America and the Caribbean, not taking emissions associated with land use changes into account, amounted to 5.5 MtCO2-e, with Trinidad and Tobago, Uruguay and the Bolivarian Republic of Venezuela having the highest levels of per capita emissions. On the other end of the spectrum, Guatemala, El Salvador and Haiti had the lowest emission levels in the region.
22 Nov 2010 - by Nieves López Izquierdo, Associate Consultant UNEP/GRID-Arendal
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Emissions per GDP in Latin America and the Caribbean, 2005 (includes land use change) Emissions per GDP in Latin America and the Caribbean, 2005 (includes land use change)
A strong heterogeneity in the ratio emission to GDP, including the land use change, is observed among the countries of the region. Brazil, Uruguay, Paraguay and Bolivia stand out because of the importance of emissions related to agriculture, forestry and other land uses (AFOLU).
22 Nov 2010 - by Nieves López Izquierdo (Associate Consultant UNEP/GRID-Arendal)
3
Emissions of the Brazilian Amazon Emissions of the Brazilian Amazon
Brazil has been recognized as the fifth highest emitter of greenhouse gasses in the world, and is also the highest emitter within the Latin American and Caribbean region. This high level of emission is first and foremost due land use changes within the country. In 2005, forest and grassland conversion was responsible for emitting more than one billion of metric tons of CO2 equivalent (MtCO2-e) in the Brazilian Amazon.
22 Nov 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
3
Greenhouse gas emissions, 2005 (includes land use change) Greenhouse gas emissions, 2005 (includes land use change)
The disaggregation of emissions by type of gas makes clear the domination of carbon dioxide (CO2), both globally and at the regional level. On a country basis, the five top emitters in the world are China and the United States, followed by Russia and Japan. The fifth top emitter is Brazil, when greenhouse gas emission associated with land use change is taken into account.
22 Nov 2010 - by Nieves López Izquierdo, Assosciate Consultant UNEP/GRID-Arendal
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Latin America greenhouse gas emitters by sector Latin America greenhouse gas emitters by sector
According to reports from the region’s countries, contained in national communications to the United Nations Framework Convention on Climate Change, the main sources of greenhouse gas emissions relate to changes in land use, forestry, agriculture and energy consumption. Brazil stands out as the highest emitter of greenhouse gasses caused by land use changes, accounting for more than 800,000 metric tons of CO2 equivalent. The importance of agricul...
22 Nov 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
4
Carbon Dioxide (CO2) emissions for selected African countries in 1997 Carbon Dioxide (CO2) emissions for selected African countries in 1997
Africa is very vulnerable to climate change given its low capacity to respond and adapt, but Africa emits relatively low amounts of greenhouse gases in comparison to other regions. This graphic shows the amount of carbon dioxide emissions per capita, in metric tonnes, in 1997 for OECD (Organisation for Economic Cooperation and Development) countries, for the world, for sub-Saharan Africa and for selected individual countries.
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Examples of GHG emission amounts 08 Examples of GHG emission amounts 08
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
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Examples of GHG emission amounts 20 Examples of GHG emission amounts 20
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
3
Examples of GHG emission amounts 17 Examples of GHG emission amounts 17
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
3
Examples of GHG emission amounts 14 Examples of GHG emission amounts 14
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
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Examples of GHG emission amounts 04 Examples of GHG emission amounts 04
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
3
Examples of GHG emission amounts 05 Examples of GHG emission amounts 05
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
2
Examples of GHG emission amounts 03 Examples of GHG emission amounts 03
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
3
Examples of GHG emission amounts 09 Examples of GHG emission amounts 09
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
3
Examples of GHG emission amounts 16 Examples of GHG emission amounts 16
Examples of GHG emission amounts generated by different activities or goods are scattered across the book in the form of proportional bubbles (in kilograms of CO2 equivalent).
05 Jan 2009 - by UNEP/GRID-Arendal
3
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