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FAQ


This section provides answers to frequently asked questions about climate change. In each of the three first sections ("The physical science basis on climate change", "Climate change impacts, and adaptations and vulnerabilities" and "Mitigation of climate change"), FAQs 1 to 3 were prepared by the editorial team of www.greenfacts.org. Each answer represents a summary of a detailed text, directly sourced from IPCC "Fourth Assessment Report (AR4)", produced in 2007 by a large international panel of scientists. In addition, FAQs 4 to 22 of the section "The physical science basis on climate change" are directly sourced from the Working Group I report "Climate Change 2007: The Physical Science Basis" of IPCC "Fourth Assessment Report (AR4)". All other FAQs were prepared by the EEA.
FAQ
HelpCenter FAQ Climate change in 226 words
HelpCenter FAQ What makes the climate change?
HelpCenter FAQ How is the climate going to change in the future?
What are the projected changes for the 21st century and on the longer term?
HelpCenter FAQ D source code What impacts of climate change have already been observed?
HelpCenter FAQ Troff document How is climate changing and how has it changed in the past?
What changes have been observed so far in climate? What is causing the present-day changes in climate?
HelpCenter FAQ What actions can be taken to reduce greenhouse gas emissions?
What are the costs, the co-benefits and the longer term implications of mitigation actions? How can changes in lifestyle and behaviour patterns contribute? How can different sectors reduce emissions? Which actions have been taken in Europe to reduce greenhouse gas emissions?
HelpCenter FAQ How do people adapt to climate change?
What are the current adaptation strategies? What makes populations vulnerable to climate change? What are the relative roles of mitigation and adaptation?
HelpCenter FAQ What impacts are expected in the future?
What impacts are expected on natural systems, on human populations, in specific regions? What is their magnitude? What are the projected impacts of extreme climate events?
HelpCenter FAQ Troff document What is the greenhouse effect?
HelpCenter FAQ How do human activities contribute to climate change and how do they compare with natural influences?
HelpCenter FAQ What are the current trends in global greenhouse gas emissions?
HelpCenter FAQ What factors determine Earth’s climate?
HelpCenter FAQ What is the relationship between climate change and weather?
HelpCenter FAQ How can governments create incentives for mitigation?
What are the implications of different policy instruments? How is climate change mitigation linked to sustainable development?
HelpCenter FAQ Are the increases in atmospheric carbon dioxide and other greenhouse gases during the industrial era caused by human activities?
HelpCenter FAQ audio/x-realaudio What caused the Ice Ages and other important climate changes before the industrial era?
HelpCenter FAQ How are temperatures on Earth changing?
HelpCenter FAQ Is the amount of snow and ice on the Earth decreasing?
HelpCenter FAQ How is precipitation changing?
HelpCenter FAQ Has there been a change in extreme events like heat waves, droughts, floods and hurricanes?
HelpCenter FAQ Is the current climate change unusual compared to earlier changes in Earth’s history?
HelpCenter FAQ Are extreme events, like heat waves, droughts or floods, expected to change as the Earth’s climate changes?
HelpCenter FAQ Is sea level rising?
HelpCenter FAQ How reliable are the models used to make projections of future climate change?
HelpCenter FAQ Can the warming of the 20th century be explained by natural variability?
HelpCenter FAQ How likely are major or abrupt climate changes, such as loss of ice sheets or changes in global ocean circulation?
HelpCenter FAQ Do projected changes in climate vary from region to region?
HelpCenter FAQ Can individual extreme events be explained by greenhouse warming?
HelpCenter FAQ What are the current trends in greenhouse gas emissions in my country?
HelpCenter FAQ RealAudio broadcast How much emission reductions has my country achieved?
HelpCenter FAQ If emissions of greenhouse gases are reduced, how quickly do their concentrations in the atmosphere decrease?
HelpCenter FAQ Troff document Will my country meet its Kyoto target?
HelpCenter FAQ What are the current trends in greenhouse gas emissions in Europe?
HelpCenter FAQ What is Europe doing to reduce greenhouse gas emissions?
HelpCenter FAQ application/x-troff-ms What are the Kyoto mechanisms?
HelpCenter FAQ text/texmacs What are the EU Kyoto targets?
HelpCenter FAQ application/x-troff-me What is the EU emission trading scheme?
HelpCenter FAQ What are base-year emissions?
What is the base year? How can it be used to track performance towards targets for Member States, EU-15 and EU-27?
HelpCenter FAQ Troff document What is the EC's GHG inventory report?
HelpCenter FAQ What is the scope of the EC GHG inventory report?
Which geographical area is covered? What is the time period covered? Which gases are covered? Which sectors are covered?
HelpCenter FAQ Troff document What is the GHG trends and projections report?
HelpCenter FAQ Troff document What is the scope of the GHG Trends and projections report?
Which geographical area is covered? What is the time period covered? Which gases are covered? Which sectors are covered?

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