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Air Pollution, Climate Disruption, and Ozone Depletion
Air Pollution, Climate Disruption, and Ozone Depletion

... • One or two warmer or colder years or decades can result simply from changes in the weather; don’t necessarily tell us that the earth’s climate is warming or cooling. • Climate scientists look at data on normally changing weather conditions to see if there has been a general rise or fall in any mea ...
The ecological and economic consequences of Global Climate
The ecological and economic consequences of Global Climate

... risks and the costs of GCC. As a consequence, it is still hotly debated whether climate will really change so badly, whether it is worthwhile to take action in the face of uncertainty and who is going to pay the costs - or enjoy the benefits - of either reducing GHG emissions (mitigation) or minimiz ...
Carbon Finance. The Financial Implications of Climate Change. Wiley Finance Brochure
Carbon Finance. The Financial Implications of Climate Change. Wiley Finance Brochure

... investors respond to the risks and opportunities from this issue will have an enormous rippling effect in the global economy. Sonia Labatt and Rodney White's insights and thoughtful analysis should be read by all who want to successfully navigate this global business issue." Andrea Moffat, Director, ...
The economic crisis and the two great challenges of 21st century (237 kB) (opens in new window)
The economic crisis and the two great challenges of 21st century (237 kB) (opens in new window)

... separation of elements of investments in physical or human capital which are marked for ‘development’ or ‘adaptation’. Many of the poorest people in the world will be the most exposed and vulnerable to the impacts of climate change that will occur over the next few decades. These are also the people ...
Creation Unit 090115
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Climate change adaptation

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Climate Change Impact and Forced Migration
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Impact of climate change on Least Developed Countries
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This PDF is a selection from a published volume from... Research Volume Title: The Economics of Climate Change: Adaptations Past and...
This PDF is a selection from a published volume from... Research Volume Title: The Economics of Climate Change: Adaptations Past and...

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Climate Deception Dossier #7: Global Climate Coalition Primer on
Climate Deception Dossier #7: Global Climate Coalition Primer on

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Climate Change and Poverty Reduction
Climate Change and Poverty Reduction

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THE WEATHER MAKERS RE-‐EXAMINED

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Andrews LTER Central Question

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Attribution of recent climate change



Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent changes observed in the Earth's climate, commonly known as 'global warming'. The effort has focused on changes observed during the period of instrumental temperature record, when records are most reliable; particularly in the last 50 years, when human activity has grown fastest and observations of the troposphere have become available. The dominant mechanisms (to which recent climate change has been attributed) are anthropogenic, i.e., the result of human activity. They are: increasing atmospheric concentrations of greenhouse gases global changes to land surface, such as deforestation increasing atmospheric concentrations of aerosols.There are also natural mechanisms for variation including climate oscillations, changes in solar activity, and volcanic activity.According to the Intergovernmental Panel on Climate Change (IPCC), it is ""extremely likely"" that human influence was the dominant cause of global warming between 1951 and 2010. The IPCC defines ""extremely likely"" as indicating a probability of 95 to 100%, based on an expert assessment of all the available evidence.Multiple lines of evidence support attribution of recent climate change to human activities: A basic physical understanding of the climate system: greenhouse gas concentrations have increased and their warming properties are well-established. Historical estimates of past climate changes suggest that the recent changes in global surface temperature are unusual. Computer-based climate models are unable to replicate the observed warming unless human greenhouse gas emissions are included. Natural forces alone (such as solar and volcanic activity) cannot explain the observed warming.The IPCC's attribution of recent global warming to human activities is a view shared by most scientists, and is also supported by 196 other scientific organizations worldwide (see also: scientific opinion on climate change).
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