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here - Why Mercer Law?
here - Why Mercer Law?

... Observers of this litigation expected that the outcome would likely turn on the Erie-genre issue of whether a federal common law of air pollution-as-nuisance survived the passage of the Clean Air Act: the defense, raised and extensively argued in motions to dismiss by all defendants, that Congress h ...
Impacts of climate change - Observation et statistiques
Impacts of climate change - Observation et statistiques

... tarting out from the observation that the French consider global warming as their top environmental concern, a question was put to them: "What impact could climate change have in the future for you personally?  ". Beyond the global concern about this phenomenon, the challenge was to capture personal ...
health professionals for clean air
health professionals for clean air

... Paris was the result of a structured four year set of negotiations. - Paris is the latest in the UN’s climate change work, which began in 1992 with the adoption of the Framework Convention - 2009 Copenhagen and 2010 Cancun Agreements established the idea of a bottom-up framework - 2011 the Durban Pl ...
Hazard Mitigation and Climate Adaptation
Hazard Mitigation and Climate Adaptation

... CLIMATE CHANGE refers to any significant change in the measures of climate lasting for an extended period of time. Both human and natural activities are influencing changes in Earth’s atmosphere, oceans and local governments. Changes include significant shifts in temperature, precipitation, wind pat ...
Theoretical mechanism for natural radiative forcing of El Nino
Theoretical mechanism for natural radiative forcing of El Nino

... Shindell, D.T., Schmidt, G.A., Miller, R., Mann, M.E., Volcanic and Solar forcing of Climate Change During the Pre-Industrial era, Journal of Climate, 16, 4094-4107, 2003. ...
Session 3: who is affected?
Session 3: who is affected?

... Learners could investigate one of the consequences of climate change in more detail. This might be one of the impacts mentioned in the session or something else. Learners could use secondary sources of information such as the Internet to find scientific evidence for this climate change consequence. ...
The missing climate forcing
The missing climate forcing

... Such climate forcings are commonly measured in Wm−# averaged over the earth. If the forcing is calculated after allowing for the rapid adjustment of stratospheric temperature, its value provides a good measure of the forcing’s potential impact on global average temperature. That is, despite uncertai ...
Environmental Variability and Climate Change
Environmental Variability and Climate Change

... WE LIVE IN UNUSUAL TIMES . Greenhouse ...
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10-03
10-03

... warm weather in 1957 and 1958 also stimulated one of the largest white spruce cone crops (seeds released in 1958) of the previous several decades. In the boreal forest of Alaska most of the white spruce between twenty-five to sixty-five years old encountered today actually date from the 1958 cone cr ...
Read the winning essay - UK Environmental Law Association
Read the winning essay - UK Environmental Law Association

... exist... there is a much more nuanced consideration of legal nature of the different components”.10 The much heralded 1.5°C and 2°C targets are simply stated objectives: “holding the increase in the global average temperature to well below 2°C above pre-industrial levels, and to pursue efforts to li ...
Atmosphere and Global Climate Change
Atmosphere and Global Climate Change

... • CO2 is produced through cellular respiration and the decay of organic matter • It is a reactant in photosynthesis • CO2 is also a major greenhouse gas • Humans are responsible for 5,500 million tons of CO2 per year • The average time CO2 molecules stay in the ...
1.3-Drivers-Impacts-Coastal-Resources-2012-07-12
1.3-Drivers-Impacts-Coastal-Resources-2012-07-12

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The Ganges-Brahmaputra Delta in a Changing Climate
The Ganges-Brahmaputra Delta in a Changing Climate

... data, we have generated different scenarios due to future sea-level rise that will affect the Bengal Delta. The results are limited to the inherent vertical resolution of the SRTM data and only integer meter rise in water levels were considered. Estimated sedimentation and subsidence rates were incl ...
Slide 1
Slide 1

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On the way to COP 21 in Paris - European Parliament
On the way to COP 21 in Paris - European Parliament

... The Russian Federation, currently responsible for 5% of global emissions, repeated its 25-30% reduction goal by 2020 compared to 1990 for 2030. It further includes forests (around half of Russia is covered by forests, removing annually around 500 million tonnes of CO2 from the atmosphere since 2000) ...
The climate of the United Kingdom and recent trends
The climate of the United Kingdom and recent trends

... The changes in global temperature seen in Figure 1.1 could be due to a number of causes, both natural and man-made. Under the heading of natural we include the internal (chaotic) variability of the earth’s climate system and also naturallyforced changes such as cooling due to aerosol from energetic ...
PROTECT OUR PLANET Why the POP Movement?
PROTECT OUR PLANET Why the POP Movement?

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Global Warming and Social Justice
Global Warming and Social Justice

... assume that warming will be 2.5°C. Relative Contributions of Annual Carbon Table 3 provides a prominent estimate Dioxide Emissions by Country/Region of how the harms are likely to vary Approximate percentage of worldwide emissions across nations and regions. To be sure, ...
Conservation Ecology: Uncertainty, Climate Change, and Adaptive
Conservation Ecology: Uncertainty, Climate Change, and Adaptive

... social inequities, because "...the willful destruction of entire countries and cultures, with foreknowledge, would represent an unspeakable crime against humanity. No nation has the right to place its own, misconstrued, national interest before the physical and cultural survival of whole countries." ...
Climate Change Equity, Integrity and Governance Risks: Policy
Climate Change Equity, Integrity and Governance Risks: Policy

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Global Warming - Web of Creation
Global Warming - Web of Creation

... called “flushing.” The water drops to the bottom of the ocean and the current moves down the coast of Africa deep in the ocean. As it drops, more water is pulled up from the Gulf Stream to replace it. If the water on top were no longer more salty than the water below it, the flushing could slow or s ...
C Global Warming and Social Justice
C Global Warming and Social Justice

English
English

... 1,800 people depends. ...
S`pore to get hotter, more extreme weather in future
S`pore to get hotter, more extreme weather in future

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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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