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Pacific Coast Climate Leadership Action Plan, June 1, 2016
Pacific Coast Climate Leadership Action Plan, June 1, 2016

... In 2015, the International Council on Clean Transportation concluded that there will be sufficient low carbon fuels available to the West Coast market to reduce petroleum gasoline and diesel consumption 25% by 2030 and the overall carbon intensity of transportation fuels by up to 21% over the same p ...
Outcomes of 21st Session of Conference of
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Is it Warm in Here? The Intractable Challenges of Climate
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A climate model-based review of drought in the Sahel: Deserti cation, the re-greening and climate change.
A climate model-based review of drought in the Sahel: Deserti cation, the re-greening and climate change.

... or Inter-state committee to combat drought in the Sahel), whose primary mandate to date remains to invest in research to ensure food security and to reduce the impact of drought and desertification.7 The global response to the drought emergency was largely predicated on the twin assumptions that (1) ...
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Lecture slides, Nov. 4 (6.1 MB)

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... “Turning up the Heat” produced by Oxfam International was relayed to the public. This documentary examines the impact of climate change on agriculture, health, and water resources in Uganda, with the aim of raising awareness of these issues in the community and through building constructive dialogue ...
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Impact of large-scale environmental features changes on host

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The natural environment: adapting to climate change

... work with local people, stakeholders and Government to identify actions to implement the adaptation strategies, ensuring that this builds on and dovetails with other initiatives; undertake further research to increase our understanding of how climate change will impact on the natural world; ex ...
“CLIMATE CHANGE AND NUCLEAR WEAPONS,” (Re)Imagining Humane Global Governance
“CLIMATE CHANGE AND NUCLEAR WEAPONS,” (Re)Imagining Humane Global Governance

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Climate Change and its impact on Australias

... the coast. Australia's prehistoric sites preserve an invaluable record of how people have responded to these changes over many thousands of years. For example, the rate of rise of sea level which occurred during the terminal Pleistocene and early Holocene period may be comparable to projected rates ...
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How reversible is sea ice loss?

... These studies of Arctic and Antarctic sea ice loss raise the following question: if the global average or local warming is reversed, will the sea ice cover quickly return to its initial state (reversibility)? The answer has implications for how sea ice is viewed in discussions of dangerous climate c ...
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climate change mitigation

... Getting to Carbon Neutral offers a set of ten basic strategies that, in combination, would be highly effective at bringing reducing a city’s carbon footprint. These recommendations coincide with the key areas identified in the guide as having the greatest potential to reduce GHG emissions, such as e ...
Unabated planetary warming and its ocean structure since 2006
Unabated planetary warming and its ocean structure since 2006

7 Thames Estuary 2100 case study - UK Climate Projections
7 Thames Estuary 2100 case study - UK Climate Projections

Apulia - Climatic Research Unit
Apulia - Climatic Research Unit

... It must be underlined that there were a high number of students and researchers, which is likely explained by the involvement of scientists working for the CIRCE project in advertising the workshop. Unfortunately we have not been able to involve either stakeholders or regional administrations and po ...
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Climate change feedback



Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each climate forcing, and so play an important part in determining the climate sensitivity and future climate state. Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first. Positive feedback amplifies the change in the first quantity while negative feedback reduces it.The term ""forcing"" means a change which may ""push"" the climate system in the direction of warming or cooling. An example of a climate forcing is increased atmospheric concentrations of greenhouse gases. By definition, forcings are external to the climate system while feedbacks are internal; in essence, feedbacks represent the internal processes of the system. Some feedbacks may act in relative isolation to the rest of the climate system; others may be tightly coupled; hence it may be difficult to tell just how much a particular process contributes. Forcings, feedbacks and the dynamics of the climate system determine how much and how fast the climate changes. The main positive feedback in global warming is the tendency of warming to increase the amount of water vapor in the atmosphere, which in turn leads to further warming. The main negative feedback comes from the Stefan–Boltzmann law, the amount of heat radiated from the Earth into space changes with the fourth power of the temperature of Earth's surface and atmosphere.Some observed and potential effects of global warming are positive feedbacks, which contribute directly to further global warming. The Intergovernmental Panel on Climate Change's (IPCC) Fourth Assessment Report states that ""Anthropogenic warming could lead to some effects that are abrupt or irreversible, depending upon the rate and magnitude of the climate change.""
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