Sentences with phrase «climatic impact of greenhouse gases»

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Project Learning Tree and the University of Florida developed this secondary module to help educators in the Southeast teach about climate change impacts on forest ecosystems, the role of forests in sequestering carbon, and strategies for reducing greenhouse gas emissions and adapting to changing climatic conditions.
The new revision 3 (Easterling et al. 1996) data represent the best available data from the United States for analyzing long - term climate trends on a regional scale and may be used for studies attempting to determine the climatic impacts of increased concentrations of greenhouse gases.
Carbon dioxide is the most important greenhouse gas directly produced by human activities.Present emissions of carbon dioxide (CO2) account for about half the short - term climatic impact of man - made greenhouse gases (GHGs).
Quantitative implications of the secondary role of carbon dioxide climate forcing in the past glacial - interglacial cycles for the likely future climatic impacts of anthropogenic greenhouse - gas forcings (arXiv: 0707.1276, July 2007)-- Soon, Willie
We further recognize the need to reduce the global emission of greenhouse gases by 80 % by mid-century at the latest, in order to avert the worst impacts of global warming and to reestablish the more stable climatic conditions that have made human progress over the last 10,000 years possible.
In terms of greenhouse agents, the main conclusions from the WGI FAR Policymakers Summary are still valid today: (1) «emissions resulting from human activities are substantially increasing the atmospheric concentrations of the greenhouse gases: CO2, CH4, CFCs, N2O»; (2) «some gases are potentially more effective (at greenhouse warming)»; (3) feedbacks between the carbon cycle, ecosystems and atmospheric greenhouse gases in a warmer world will affect CO2 abundances; and (4) GWPs provide a metric for comparing the climatic impact of different greenhouse gases, one that integrates both the radiative influence and biogeochemical cycles.
Worsening climatic and coastal impacts are almost inevitable unless the world's industrial nations significantly reduce emissions of greenhouse gases.
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