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Slide 1
Slide 1

... Phenological spring in N. hemisphere now comes 6 days earlier ...
PowerPoint-Präsentation
PowerPoint-Präsentation

... http://ingeniouspursuits.blogspot.pt/2014/06/consensus-in-science-revisited.html ...
Climate System
Climate System

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Rebuttal to the Rotarian Comments on Climate Change
Rebuttal to the Rotarian Comments on Climate Change

... has "massive environmental side effects, including climate change, loss of biodiversity, and acidification of the oceans." and claims it is "dangerous". Each of these claims is untrue and is contradicted by evidence. Any form of fuel use will have some environmental effect, but fossil fuel use has b ...
Chloro – floro –carbons
Chloro – floro –carbons

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United Nations Framework Convention on Climate Change
United Nations Framework Convention on Climate Change

... ENVIRONMENTAL DATA ON CLIMATE CHANGE Marco Tulio Cabral – Ministry of Foreign Relations ...
Economics of Ecosystems and Biodiversity in Jordan
Economics of Ecosystems and Biodiversity in Jordan

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Adapting and Living Below 1.5 Degrees Why does it Matter for India?
Adapting and Living Below 1.5 Degrees Why does it Matter for India?

... In the last few decades, the world has seen increasing trend of global temperature rise which has become a major concern for many countries. In order to ensure the survival of the human race from the projected long term changes in weather patterns and disasters driven by temperature rise, the world’ ...
LafargeHolcim climate leaflet
LafargeHolcim climate leaflet

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Presentation - Climate Change & Green Economy

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PDF File - Patrick Gonzalez
PDF File - Patrick Gonzalez

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Climate Change in the Los Angeles Region: Temperature Results
Climate Change in the Los Angeles Region: Temperature Results

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20070124_Science_Cafe
20070124_Science_Cafe

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module 10: what evidence do we have of climate change
module 10: what evidence do we have of climate change

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ClimChInf08_Webmodified

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... man-made and dangerous." Or maybe from NASA, which posted (in more measured language) on its website, "Ninety-seven percent of climate scientists agree that climatewarming trends over the past century are very likely due to human activities." Yet the assertion that 97% of scientists believe that cli ...
Sample Chapter - Brookings Institution
Sample Chapter - Brookings Institution

... For nearly twenty years, the nations of the world have been engaged, under the auspices of the United Nations, in a permanent floating negotiation on a global deal to reduce greenhouse gas emissions. That process nearly collapsed at the Copenhagen conference in December 2009. The chaos Obama found o ...
Global Climate Change
Global Climate Change

... Causes of Global Climate Change • Natural variability: wobbles of Earth’s axis and changes in orbit (20K-100K yrs), solar activity, volcanoes, ENSO cycle • Human activities: increases in greenhouse gases & aerosols, ozone depletion, land clearing • IPCC: Most global warming since 1950 due to human ...
Climate Policy: It`s good to be in the “RED”
Climate Policy: It`s good to be in the “RED”

... “The answer in both cases is a qualified ‘yes,’” Field said. “As with all measures to address global warming, the key is immediate and aggressive action.” On the first question, the authors found that reducing deforestation rates by 50% over the next century will save an average of about half a bill ...
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... fuel interests, who have long seen Watson as a foe, successfully urged Bush to launch an intense international lobbying campaign that unseated Watson. According to Watson, the IPCC’s message that the world can and should reduce fossil fuel emissions “is not the message, for whatever reason, that the ...
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Climate Justice Fact Sheet

... Miller, and L.M. Rosenfeld. Easton, Pa.: Pennsylvania Academy of Science. xi Centers for Disease Control and Prevention, “Asthma Mortality and Hospitalization among Children and Young Adults— United States, 1980-1993,” Morbidity and Mortality Weekly Report, 45 (1996): 350-353. xii NEA Health Informa ...
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Explaining the global warming theory

Presentation - Harvard University
Presentation - Harvard University

... IPCC (2007) Summary for Policymakers. In: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Solomon, S. et al., Eds. Cambridge University Press, Cambridge, UK. Petit JR, et al. (1999) Cli ...
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Global & Regional Climate Change Science a presentation from the

... As the temperature of the atmosphere rises, more water is evaporated from ground storage (rivers, oceans, reservoirs, soil). Because the air is warmer, the relative humidity can be higher, and the atmosphere can 'hold' more water vapor. As a greenhouse gas, the higher concentration of water vapor is ...
CC07_NZtransport2
CC07_NZtransport2

... Precipitation increases very likely in high latitudes Decreases likely in most subtropical land regions This continues the observed patterns in recent trends ...
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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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