Sentences with phrase «induced changes in greenhouse gas»

Not exact matches

... modalities, rules and guidelines as to how, and which, additional human - induced activities related to changes in greenhouse gas emissions by sources and removals by sinks in the agricultural soils and the land - use change and forestry... shall be added or subtracted.

«Our study is about how a whole forest ecosystem consumes and produces carbon dioxide, or CO2, the main greenhouse gas linked to human - induced climate change,» says Wehr, a research associate in Saleska's lab in the UA's Department of Ecology and Evolutionary Biology.

The National Research Council in Washington, D.C., estimates that dairy cows account for as much as 20 percent of human - induced emissions of methane, a potent climate change — causing greenhouse gas.

«What we saw was that urbanization - induced warming is just as important as greenhouse gas - induced climate change,» said Matei Georgescu, an assistant professor in the School of Geographical Sciences and Urban Planning at Arizona State University.

To me the very fact that we have been inducing major changes in the concentration of greenhouse gases is alarming.

For example, the report summarizes recent research underpinning the scientific rationale for large and rapid reductions in global greenhouse gas emissions, in order to reduce the likelihood of dangerous human - induced climate change.

Such factors include increased greenhouse gas concentrations associated with fossil fuel burning, sulphate aerosols produced as an industrial by - product, human - induced changes in land surface properties among other things.

To me the very fact that we have been inducing major changes in the concentration of greenhouse gases is alarming.

The team's results show that human - induced (anthropogenic) changes in well - mixed greenhouse gases, which are fairly evenly distributed in the atmosphere, and ozone, a greenhouse gas that is found in higher concentrations in the stratosphere, are the primary causes of the approximately 200 - meter rise in the tropopause that has occurred since 1979.

It is standard practice to include only the fast feedback processes, including changes in water vapour, in the calculation of climate sensitivity, but to exclude possible induced changes in the concentrations of other greenhouse gases (as well as other slow feedback processes).

In fact, a large part of greenhouse gas - induced climate change has been hidden from us in the past by another type of pollutioIn fact, a large part of greenhouse gas - induced climate change has been hidden from us in the past by another type of pollutioin the past by another type of pollution.

«In considering the question of human activity and climate change it is essential to distinguish between global warming, which is a progressive increase in the annual mean global temperature, and human - activity - induced greenhouse warming, as may, for example, be caused by the release of greenhouse gases into the atmosphere as a result of fossil fuel combustion or deforestation.&raquIn considering the question of human activity and climate change it is essential to distinguish between global warming, which is a progressive increase in the annual mean global temperature, and human - activity - induced greenhouse warming, as may, for example, be caused by the release of greenhouse gases into the atmosphere as a result of fossil fuel combustion or deforestation.&raquin the annual mean global temperature, and human - activity - induced greenhouse warming, as may, for example, be caused by the release of greenhouse gases into the atmosphere as a result of fossil fuel combustion or deforestation.»

The new report further states that greenhouse gas emissions at or above current rates would induce changes in the oceans, ice caps, glaciers, the biosphere, and other components of the climate system.

The summer - winter changes in insolation are much larger than those due to human - induced greenhouse gas changes; the seasonal change is mainly in the visible part of the electromagnetic spectrum while the greenhouse gas forcing is in the infrared; the greenhouse gas influence is global while the seasonal changes are opposite in the two hemispheres; and we have a much longer history of observing the seasonal changes, so a more or less correct prediction can be made empirically, without any physical understanding.

Continued greenhouse gas emissions at or above current rates would cause further warming and induce many changes in the global climate system during the 21st century that would very likely be larger than those observed during the 20th century.

Moreover, it also includes a number of detection and attribution studies, the IPCC's «gold standard» in terms of inferring climate change and establishing consistency of AO - GCM simulations of greenhouse gas induced warming with observations.

In our simulations, temperature and wind changes induced by increasing greenhouse gases alter the propagation of planetary waves.

Beginning in the late 1960s, computer simulations indicated possible changes in temperature and precipitation that could occur due to human - induced emission of greenhouse gasses into the atmosphere.

``... the IPCC has clearly indicated that most of the global warming observed over the past 50 years was likely induced by the increase in concentrations of greenhouse gases...» — China National Development and Reform Commission, «National Climate Change Program,» June 4, 2007

«Meat production represents 18 percent of global human - induced GHG emissions... While the world is looking for sharp reductions in greenhouse gases responsible for climate change, growing global meat production is going to severely compromise future efforts... a study from the University of Chicago showed that if Americans were to reduce meat consumption by 20 percent it would be as if they switched from a standard sedan to the ultra-efficient Prius.»

To quantify the impact of changes in short - lived climate pollutants and regional climate forcings, in addition to the impact of warming induced by greenhouse gases, on weather extremes in Africa.

One of the problems with the EPA's Endangerment TSD is the nearly complete disregard of observed trends in a wide array of measures which by and large show that despite decades of increasing anthropogenic greenhouse gas emissions the U.S. population does not seem to have been adversely affected by any vulnerabilities, risks, and impacts that may have arisen (to the extent that any at all have actually occurred as the result of any human - induced climate changes).

«(1) to induce foreign countries, and, in particular, fast - growing developing countries, to take substantial action with respect to their greenhouse gas emissions consistent with the Bali Action Plan developed under the United Nations Framework Convention on Climate Change; and

«This means that efforts to reduce human - induced warming are even more urgent in order to minimise this type of feedback of natural greenhouse gas emissions,» says a co-author of the study, David Bastviken, senior lecturer in environmental change at Linköping University.

It is simply that there is not any REAL reason to worry a over non-existent, non-actual, non-possible «GREENHOUSE effect» induced «climate change», as is the «short answer»... and with the additional «appendix» that those «alternate» sources (so often mentioned) of «electricity generation» also only work «in opinion» and do NOT present REAL alternatives to Gas and Coal (as of NOW).

In other words, if these yield reductions resulting from greenhouse gas — induced climate change were superimposed on the yield reductions that might occur during a particularly dry period arising from the region's characteristic precipitation variability, they would be higher and comparable with the results from the Morocco National Communication.

The overall correlation is a result of the fact that climate policy induces systemic changes in the energy system, away from technologies with high greenhouse gas emission levels, which also have high emissions of air pollutants (e.g. coal use without CCS has high emission levels of CO2, but also of SO2).

The other was to cover practical methodologies to factor - out direct human - induced changes in carbon stocks and greenhouse gas emissions and removals from indirect human - induced and natural effects (e.g. CO2 fertilization and N deposition) and effects due to past practices in forests.

In previous entries, Ethicsandclimate.org examined the failure of the US media to communicate about: (a) the nature of the strong scientific consensus about human - induced climate change, (b) the magnitude of greenhouse gas emissions reductions necessary to prevent catastrophic climate change, (c) the practical significance for policy that follows from understanding climate change as essentially an ethical problem, (e) the consistent barrier that the United States has been to finding a global solution to climate change in international climate negotiations, and (f) the failure of the US media to help educate US citizens about the well - financed, well - organized climate change disinformation campaigIn previous entries, Ethicsandclimate.org examined the failure of the US media to communicate about: (a) the nature of the strong scientific consensus about human - induced climate change, (b) the magnitude of greenhouse gas emissions reductions necessary to prevent catastrophic climate change, (c) the practical significance for policy that follows from understanding climate change as essentially an ethical problem, (e) the consistent barrier that the United States has been to finding a global solution to climate change in international climate negotiations, and (f) the failure of the US media to help educate US citizens about the well - financed, well - organized climate change disinformation campaigin international climate negotiations, and (f) the failure of the US media to help educate US citizens about the well - financed, well - organized climate change disinformation campaign.

To slow the rate of anthropogenic - induced climate change in the 21st century and to minimize its eventual magnitude, societies will need to manage the climate forcing factors that are directly influenced by human activities, in particular greenhouse gas and aerosol emissions.

-- The term «impact evaluation» means the evaluation of the program or project - specific, directly induced changes in energy savings and greenhouse gas emissions reductions attributable to a program or project.

Barker had had the US in his sights for some time: «Terry Barker, leader of Tyndall's CIAS programme of research (Community Integrated Assessment System) and Director of 4CMR, set up a project to conduct a meta - analysis of the literature on the costs of Greenhouse Gas (GHG) mitigation with induced technological change, funded by HM Treasury.

While many aspects of the response of the climate system to greenhouse gas forcing appear to be linear, regime or mode transitions can not be quantified by a simple number because responses do not scale with the amplitude of the forcing: small perturbations can induce large changes in certain variables of the climate system.

At the heart of both studies is a deeper concern about the response of the natural world to human - induced change, in the destruction of habitat, the loss of the plants, birds, insects, mammals, amphibians and reptiles that depend on habitat, and in the steady increase in atmospheric levels of greenhouse gases, as a consequence of profligate combustion of fossil fuels.

By then comparing the results of these Industrial and Non-industrial simulated climates, and recording the occurrence of floods like that of Autumn 2000 in each of them, the change in the frequency of occurrence (or «risk») of such a flood was determined, and therefore how much risk is attributable to human - induced emissions of greenhouse gases over the last century.

It is clear from extensive scientific evidence that the dominant cause of the rapid change in climate of the past half century is human - induced increases in the amount of atmospheric greenhouse gases -LSB-...] Since long - term measurements began in the 1950s, the atmospheric CO2 concentration has been increasing at a rate much faster than at any time in the last 800,000 years.

Hans von Storch accurately describes our current knowledge about climate change: We know that the earth has warmed and we can't explain this warming without considering the human - induced increase in greenhouse gases in the atmosphere.

E.g., research assumes greenhouse gas emissions cause warming without explicitly stating humans are the cause»... carbon sequestration in soil is important for mitigating global climate change» (4a) No position Does not address or mention the cause of global warming (4b) Uncertain Expresses position that human's role on recent global warming is uncertain / undefined «While the extent of human - induced global warming is inconclusive...» (5) Implicit rejection Implies humans have had a minimal impact on global warming without saying so explicitly E.g., proposing a natural mechanism is the main cause of global warming»... anywhere from a major portion to all of the warming of the 20th century could plausibly result from natural causes according to these results» (6) Explicit rejection without quantification Explicitly minimizes or rejects that humans are causing global warming»... the global temperature record provides little support for the catastrophic view of the greenhouse effect» (7) Explicit rejection with quantification Explicitly states that humans are causing less than half of global warming «The human contribution to the CO2 content in the atmosphere and the increase in temperature is negligible in comparison with other sources of carbon dioxide emission»»

The latter show that human - induced changes in ozone and well - mixed greenhouse gases account for ~ 80 % of the simulated rise in tropopause height over 1979 — 1999.

These shorter - term variations are mostly due to natural causes, and do not contradict our fundamental understanding that the long - term warming trend is primarily due to human - induced changes in the atmospheric levels of CO2 and other greenhouse gases.

Africa's climate is warmer than it was 100 years ago and model - based projections of future greenhouse gas induced climate change for the continent project that this warming will continue, and in most scenarios, accelerate (Hulme et al. 2001; Christensen et al. 2007).

Aerosol - and greenhouse gas - induced changes in summer rainfall and circulation in the Australasian region: a study using single - forcing climate simulations.

Because human activities, such as the emission of greenhouse gases or land - use change, do result in external forcing, it is believed that the large - scale aspects of human - induced climate change are also partly predictable.

I find it difficult at best to comprehend your position on human - induced climate change, given the fact that every science academy across the globe, including the NAS, AAAS, AMA, AMS, AGU, and countless other scientific bodies, ALL agree that AGW is happening, it is already bad, it is going to get worse, and we should be doing everything in our power to cut down our emissions of greenhouse gases and pollution in general.

But these sinks, critical in the effort to soak up some of our greenhouse gas emissions, may be stopping up, thanks to deforestation, and human - induced weather changes that are causing the oceanic carbon dioxide «sponge» to weaken, a new study led by Fraser and detailed in the May 18 issue of the journal Science found.

Barker, T., M. Qureshi, and J. Köhler, 2006a: The costs of greenhouse gas mitigation with induced technological change: A meta - analysis of estimates in the literature.