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... Efforts to limit future climate change involve reducing net GHG emissions and will affect future agriculture and forestry. Agriculture and forestry can play a role in mitigation bylimiting rates of tropical deforestation, increasing rates of afforestation, reducing livestock related emissions, alter ...
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... yields, in particular vegetables. Technology has, as expected, a positive and significant effect on yields in most cases. As for the climate variables, since both linear and quadratic terms are included in the model, elasticities are calculated to identify their marginal yield impacts at the sample ...
Glossary of Climate Policy Terms
Glossary of Climate Policy Terms

... A system in which countries, companies, or others trade rights to emit CO 2. For example, “cap and trade” is a system where emissions are capped through the limitation of emission permits. Emitters are given or sold a limited amount of permits which they then may trade or sell amongst themselves in ...
Page 1 of 11 Can International standards help fight climate change
Page 1 of 11 Can International standards help fight climate change

... costs of having to develop policies because standards would set out the minimum requirements as to how to manage energy so as to be energy efficient. Over and above that, if there are any policies in place, standards would enhance policy consistency since they provide for common and repeated use of ...
Climate Change Lecture Notes
Climate Change Lecture Notes

... 5. Students can identify the major ways in which the ocean affects the average temperature of the Earth, and explain how and why the ocean affects the average temperature of the Earth. 6. Students can describe and explain how and why the amount of clouds in the atmosphere affects the average tempera ...
– Joint International Conference Climate change and adaptation
– Joint International Conference Climate change and adaptation

... Joint International Conference – Climate Change ...
Iowa’s Bridge and Highway Climate Change and Extreme Weather Vulnerability Assessment Pilot
Iowa’s Bridge and Highway Climate Change and Extreme Weather Vulnerability Assessment Pilot

... facets of Iowa DOT bridge design, planning, and maintenance of the resources and information from this pilot study. • The Iowa DOT will improve real-time monitoring of bridges and highway overtopping by including the infrastructure database information generated for this pilot project into the Brid ...
Climate Change in Jamaica
Climate Change in Jamaica

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Hurricane Sandy Follow-up Vulnerability Assessment
Hurricane Sandy Follow-up Vulnerability Assessment

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UCU environmental news 43, Nov 15
UCU environmental news 43, Nov 15

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Introduction to Article 6 and New Delhi Work Programme

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Fact: Fiction: More info:
Fact: Fiction: More info:

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Classifying Pacific islands Pacific Ecosystem
Classifying Pacific islands Pacific Ecosystem

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Zero Deforestation and the future of Brazil
Zero Deforestation and the future of Brazil

... atmosphere6, which is then transported in the form of water vapor to other regions. A large part of the country benefits from this natural irrigation. Continued deforestation could compromise this environmental service. By 2020 agricultural production could suffer annual losses on the order of R$ 7. ...
Feature Research Project
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Do Models Underestimate the Solar Contribution to Recent Climate
Do Models Underestimate the Solar Contribution to Recent Climate

... that we can test for consistency between the observations and the model to determine if the model significantly underestimates the observed response to a particular (unamplified) forcing. In section 4 we present conclusions and a discussion of the implications for the debate on whether atmospheric p ...
Healing Troubled Waters: Preparing Trout and
Healing Troubled Waters: Preparing Trout and

... There are already indications of rising water temperatures around the country. For example, scientists have documented increases in algae and zooplankton abundance in high-latitude and high-altitude lakes that only occur when water gets warmer. Fish in rivers are extending their ranges northward and ...
Australias_climate_policy_options_submission_12-02
Australias_climate_policy_options_submission_12-02

... health issues in relation to the terms of reference cited in the document. We welcome the Statement by the Acting Chair CCA, Mr Stuart Allinson, in relation to the desire for a ‘fresh conversation…and a constructive discussion’ on this vital issue. DEA has been greatly disappointed that numerous dis ...
Climate sensitivity of the Earth to solar irradiance
Climate sensitivity of the Earth to solar irradiance

... [15] Our measured value for the response time of a few months is at variance with tens of years estimated in some energy-balance models involving the mixed-layer of the ocean. For example, Wigley and Raper [1990] predict that the sunspot cycle signal would be attenuated to values of 0.02 – 0.03K wh ...
The Climate System - MiraCosta College
The Climate System - MiraCosta College

... – Example—Warmer surface temperatures cause an increase in evaporation, which further increases temperatures as water vapor absorbs more radiation. ...
Effects of Land Cover, Topography, and Climate on Pacific
Effects of Land Cover, Topography, and Climate on Pacific

... historic record for flood estimation is problematic both because of relatively small sample size and changing conditions over time. Note that in the case non-stationary conditions over time, longer streamflow records do not necessarily improve estimates of flood frequencies. ...
Surveying the impact. The day after tomorrow
Surveying the impact. The day after tomorrow

Environment, Politics and Development Working Paper Series
Environment, Politics and Development Working Paper Series

... and political forces. 27 It is also in relation to such interpretations of an ‘individualised society’ 28 that the recent ‘wave’ or expansion in celebrity culture over the past two decades has been situated. The celebrity, in many ways, can be understood as the figure of the individual par excellenc ...
A Bottom Up, Resource- Based Perspective To Deal With Climate Variability and Change
A Bottom Up, Resource- Based Perspective To Deal With Climate Variability and Change

... limitations, which have come increasingly to light over the past decade. The concept is inadequate for some forcing agents, such as absorbing aerosols and land-use changes, that may have regional climate impacts much greater than would be predicted from TOA radiative forcing. Also, it diagnoses only ...
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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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