Global_Warming_Map.jpg Global warming is the observed increase in the average temperature of the Earth's atmosphere and oceans in recent decades.
The Earth's average near-surface atmospheric temperature rose 0.6 ± 0.2 degrees Celsius (1.1 ± 0.4 degrees Fahrenheit) in the 20th century. The prevailing scientific opinion on climate change is that "most of the warming observed over the last 50 years is attributable to human activities" *. The increased amounts of carbon dioxide (CO2) and other greenhouse gases (GHGs) are the primary causes of the human-induced component of warming. They are released by the burning of fossil fuels, land clearing and agriculture, etc. and lead to an increase in the greenhouse effect.
The measure of the response to increased GHGs, and other andthropogenic and natural climate forcings is climate sensitivity *. It is found by observational studies and climate models. This sensitivity is usually expressed in terms of the temperature response expected from a doubling of CO2 in the atmosphere. The current literature estimates sensitivity in the range 1.5-4.5 °C (2.7-8.1 °F). Models referenced by the Intergovernmental Panel on Climate Change (IPCC) predict that global temperatures may increase by between 1.4 and 5.8 °C (2.5 to 10.5 °F) between 1990 and 2100. The uncertainty in this range results from both the difficulty of predicting the volume of future greenhouse gas emissions and uncertainty about climate sensitivity.
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Climate Change and Greenhouse Gases - Article reviews scientific understanding of the issue of greenhouse gases and climate change, as presented in peer-reviewed publications. This understanding serves as the underlying basis of the American Geophysical Union's position statement of December 1998.
Intergovernmental Panel on Climate Change (IPCC) - Established by the World Meteorological Organization (WMO) and United Nations Environment Programme (UNEP) to assess available scientific, technical, and socio-economic information in the field of climate change.
Environment Information Programme - Disseminates information, without advocacy or bias, on the causes, effects of and controls on air pollution and climate change, within the framework of national legislation and international discussion.
Meta Description: [ Information on global warming, climate change, air pollution, acid rain, ozone depletion and sustainable development ]
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Australia's Greenhouse Policy - Paper by Dr Colin Hunt and published in the Australian Journal of Environmental Management
Meta Description: [ australian greenhouse policy, Kyoto targets, global warming, greenhouse gases, economic instruments, emission trading, carbon tax ]
Australian Bureau of Meteorology: Climate Change - Fact sheets and information on climate change, with an Australian perspective. Also provides annual statements on Australia's climate.
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Bellona Foundation: Climate change - Fact sheets and other materials on global climate change and measures to reduce greenhouse gas emissions, with a focus on Norway.
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Canada -- Global Climate Change - What the Government of Canada is doing to address climate change and how all Canadians can take action to help protect our environment.
Meta Description: [ On the Government of Canada Climate Change web site you can learn about the science, impacts and adaptation to climate change and how you can take action by reducing your greenhouse gas emissions. Take action on climate change! ]
Canadian Meteorological Service: Climate Change - Provides documents on global and regional climate change science and issues, including a biannual roundup of the latest scientific developments. Also provides information on Canadian participation in international climate change programs.
Carbon Dioxide Information Analysis Center (CDIAC) - Responds to data and information concerning greenhouse effect and global climate change. Includes research reports, news and articles.
Climate/Weather: Sustaining the Environment and Resources for Canadians - Portal to information about climate and weather; how the atmosphere is affected by greenhouse gases and transport and industry emissions; issues of climate change (global warming), severe weather and smog. Provided by the Canadian government.
Meta Description: [ Discusses the causes and threats of climate change with links to federal, provincial and international information. ]
D Programme - International Energy Agency. Introduction to climate change, information on technical solutions. Reports and a regular newsletter, details of forthcoming conferences, links to other sites.
Meta Description: [ An introduction to climate change as well as information on technical solutions., such as carbon dioxide capture and storage. The site includes copies of IEA GHG reports, presentations, regular newsletter, forthcoming conferences and links to other sites ]
Discovery of Global Warming (Weart) - The history of scientific work on climate change from the 19th century to 2001, told in a set of hyperlinked essays
Meta Description: [ The history of research on climate change from the
19th century to the present, told in a set of hyperlinked essays ]
Encyclopedia of the Atmospheric Environment - A one-stop source of information, for younger and older users alike, on a range of atmospheric issues, including air quality, acid rain, global warming and ozone depletion. Provided by the UK Government Department of the Environment, Transport and the Regions.
Meta Description: [ Information on global warming, atmosphere, weather and climate, climate change, air pollution, acid rain, ozone depletion, renewable energy and sustainable development from the encyclopedia of the atmospheric environment ]
Environmental Change and its Impact on Species/Ecosystems/Agriculture - Searchable bibliography on the impacts of environmental change on flora and fauna. Citations include peer-reviewed and selected gray literature. Hyperlinks are provided to the source where available.
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European Environment Agency - Climate Change - Reports on the science of climate change, its impacts and possible mitigation strategies. Collection of indicators, reports, links, data sets and targets on climate change.
Meta Description: [ Over the past 100 years global mean temperature has increased by 0.7 °C and in Europe by about 1.0 °C and the 1990s was the warmest decade over the past 150 years. Temperatures are projected to increase further by 1.4 to 5.8°C by 2100, with larger increases in Eastern and Southern Europe. Ther... ]
Geological Society of New Zealand: a Statement on Global Warming - A statement by Professor Peter Barrett (Victoria University, Wellington, New Zealand) on the reality of global warming from the viewpoint of an earth scientist.
German Advisory Council on Global Change - Provides, for the German government, recommendations for research and further action to combat global problems in the field of environment and development
Meta Description: [ German Advisory Council on Global Change (WBGU). Serving Global Change Politics. ]
Global Change Vulnerabilities in the Barents Region: Linking Several Resources - BALANCE is an EU funded project (2003-2005) that follows on from BASIS (1997-1999). Its aim is to assess the vulnerabilities of the Barents Sea system to climate change based on a common modelling framework for major environmental and societal components.
Meta Description: [ BALANCE is an EU funded project (2002-2005) that follows on from BASIS (1997-1999). Its aim is to assess the vulnerabilities of the Barents Sea system to climate change based on a common modelling framework for major environmental and societal components and on the quantification of linkages betw... ]
Global Climate Change: Research Explorer - Discover how researchers study climate change; examine the latest scientific data on this global problem. Fron the US National Science Foundation.
Meta Description: [ Global Climate Change: Research Explorer allows visitors to explorer scientific data from many fields (physics, chemistry, biology, meteorology, oceanography) relating to global warming. Developed by the Exploratorium. ]
Global Warming International Center (GWIC) - International body disseminating information on global warming science and policy, sponsoring research. Serving governmental, non-governmental organizations, and industries in more than 120 countries. Conducts the Global Warming International Conference and Expo and publishes a journal.
Meta Description: [ Global Warming International Center ]
Human Dimensions of Global Environmental Change Discussion List - Mailing list subscription information and link to archives.
Human Impacts on Climate - The updated Position Statement of the American Geophysical Union.
Inter-Agency Committee on the Climate Agenda - The Climate Agenda is designed to enable governments, international governmental, and non-governmental, organizations to coordinate their contributions to national and international climate programmes. Site provides information on the organisation's structure, objectives and activities.
NASA's Global Change Master Directory - A comprehensive directory of descriptions of data sets of relevance to global change research. The GCMD database covers climate change, agriculture, the atmosphere, biosphere, hydrosphere oceans, geology, geography, and human dimensions of global change.
Meta Description: [ The Global Change Master Directory
is a comprehensive directory of information about Earth science data,
including a broad coverage of global warming, the oceans,
atmosphere, hydrosphere, solid earth, biosphere and human dimensions of
global change. FGDC Clearinghouse Node (NASA). ]
NASA: Earth Observatory - News, feature articles, data and reference reviews on many aspects of our changing world.
Meta Description: [ Welcome to NASA's Earth Observatory, where you can monitor regional and global changes on our planet almost as they happen. Here you can explore with NASA scientists the causes and effects of climatic and environmental change through the use of real satellite data. ]
Natural Resources Canada: Climate Change - Climate change information related to energy, forestry, earth sciences, and minerals and metals. Additional links have been provided to other sites on climate change.
Meta Description: [ test ]
Pacific Climate Conference - Annual Convergence of an eclectic community of empirical climate change scientists, from climatologists, to paleoscientists, to applied sciences.
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Planning Climate and Global Change Research: A Review of the Draft U.S. Climate Change Science Program Strategic Plan - The US National Acadamies of Science (NAS) report on the US Governmental Administration's proposals for future climate research.
START - SysTem for Analysis Research and Training - Aims to evaluate the impact of global change and enhance scientific capacity in developing countries.
Tiempo Climate Cyberlibrary - Electronic information source covering global warming, climate change and sea level rise with particular reference to developing nations. Maintained at University of East Anglia, England.
Meta Description: [ The Tiempo Climate Cyberlibrary is an electronic information service covering global warming, climate change, sea-level rise and related issues. The Cyberlibrary provides access to authoritative news, views, briefing material, publications, data, analysis tools and educational resources on the su... ]
U.S. Global Change Research Program - Scientific research, links, educational resources, U.S. national assessment of the potential consequences of climate variability and change
Meta Description: [ US Global Change Research Program. Helping to understand, assess, predict, and respond to global change. ]
UNEP Climate Change (GRID-Arendal) - Climate change information from GRID-Arendal, the United Nations Environment Programme information office.
United Nations Framework Convention on Climate Change - Online newsletter concerning issues on and about the UN's convention on long term weather change. Page includes list of meetings and the background behind the Kyoto Protocol.
US Climate Change Science Program - Integrates federal research on climate and global change, as sponsored by thirteen federal agencies. Site provides information on US Federal policy.
US EPA - Global Warming Site - Focuses on the science and impacts of global warming or climate change, and on actions by governments, corporations, and individuals that help address global warming issues. Features include climate change related news, events, publications, reports, presentations, and links to other sites.
US Global Change Research Information Office (global warming) - Provides access to data and information on climate change research, adaptation/mitigation strategies and technologies, and global warming related educational resources for users worldwide.
Meta Description: [ U.S. Global Change Research Information Office. Provides access to data and information on climate change research, adaptation/mitigation strategies and technologies, and global warming related educational resources for users worldwide. ]
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US NAS: A Closer Look at Global Warming - A summary of reports from the US National Academies of Science, as well as full reports, simple background information and links to related web-based material.
Meta Description: [ Global warming has been the subject of intense debate and concern for many scientists, policy-makers, and citizens for at least the past decade. A new report by leading scientists examines climate change over the last century. ]
US NAS: Reconciling Observations of Global Temperature Change - A detailed investigation into the relationship and differences between the surface temperature record (provided by weather stations) and that of the lower troposphere (provided by satellites and weather balloons).
US National Climate Data Center - Answers to frequently asked questions about climate change.
Meta Description: [ Frequently Asked Questions about Global Warming ]
USA: Climate Action Report 2002 - The USA's Third National Communication under the United Nations Framework Convention on Climate Change. Contains an assessment of the likely impact of climate change on the US, and projections of future greenhouse gas emissions.
Meta Description: [ The United States of America's Third National Communication Under the United Nations Framework Convention on Climate Change ]
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Usenet Global Change Basics - An archived Usenet FAQ.
World Meteorological Organisation - Global Climate - Statements from the WMO on a range of climate change issues.
Meta Description: [ World Meteorological Organization - Official United Nations' authoritative voice on weather, climate and water, scientific organization
, WMO - WMO is the United Nations authoritative voice on weather, climate and water ]
ENN Global Warming and Weather - ENN RSS News
L.A. Times - Environment -
Headlines from Los Angeles Times
Union of Concerned Scientists - RSS feed of UCS news
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