Sentences with phrase «of additional greenhouse gas»

It is simply that after accounting as best one can for the influence of the sun you still can't match the observed climate over the past ~ 30 - 50 years without including the effects of additional greenhouse gas forcing.

But Waxman says that the analysis failed to include the effects of additional greenhouse gas pollution.

In terms of additional greenhouse gas emissions, producing fuel from oil shale produces eight times the emissions of making fuel from conventional sources of petroleum.

What is the amount of additional greenhouse gases now expected from more rapid permafrost thawing in the Arctic?

However, while displacing all fossil fuel power plants with solar and wind farms is necessary in curbing the flow of additional greenhouse gases into our atmosphere, it does nothing to capture the prevailing stock of greenhouse gases that has already accumulated.

Understanding the significance of this last fact relies on the appreciation that displacing all fossil fuel power plants with solar and wind farms, while necessary in curbing the flow of additional greenhouse gases into our atmosphere, does nothing to capture the prevailing stock of greenhouse gases accumulated from 150 years of industrialization and that will remain in the atmosphere for upwards of a hundred or more years to come.

As the ocean and airs warm, these carbon stores release causing a massive spike of additional greenhouse gasses to hit the atmosphere and setting off ever - more - rampant heating.

As for the non-CO2 forcings, it is noteworthy that greenhouse gases controlled by the Montreal Protocol are now decreasing, and recent agreement has been achieved to use the Montreal Protocol to phase out production of some additional greenhouse gases even though those gases do not affect the ozone layer.

The temperature effects of cloud cover during the 20th century could be as much as 7 times greater than the alleged temperature effect of 200 years worth of additional carbon dioxide and several times greater than that of all additional greenhouse gases combined.

Consequently, you would expect a transition period in which the cooling influence of aerosols had disappeared but the warming influence of additional greenhouse gases was still present.

The refinery was slated to emit more mercury, selenium and sulfur flare gas than before, in addition to as much as 900,000 tons of additional greenhouse gases per year.

Not exact matches

In environmental policy, the Party promises stronger greenhouse gas emission regulations and enforcement in the oil - patch; a water management plan to ensure that current and future needs are balanced; a moratorium on additional resource development on lakeshores and lake beds; a Green Energy Plan to support green energy projects and move the province away from coalpower; and a land - use framework that curbs urban sprawl and safeguards farmland and habitats in the vicinity of cities.

It would lessen the increase of greenhouse gases and allow us to avoid building additional nuclear energy plants.

Additional action to achieve the 2025 target represents a substantial acceleration of the current pace of greenhouse gas emission reductions.

Politics of deferred gratification Under one of the additional scenarios, known as RCP 4.5, humans take longer to reduce greenhouse gas emissions but eventually do so, and under the other, known as RCP 8.5, carbon dioxide concentrations continue to rise through 2100.

Noting that the United States is already on a path to cutting emissions 17 percent below 2005 levels by 2020, the plan argues that additional action «represents a substantial acceleration of the current pace of greenhouse gas reductions.»

So, additional preventive measures need to be considered in addition to the mitigation of greenhouse gas emissions, to help coastal regions especially in transition and developing countries to adapt and to limit damage costs.»

As some of the incentives for fracking come from the lower carbon emissions produced by gas - fired power stations, a key question is whether the extraction of shale gas has an additional impact on greenhouse gas (GHG) emissions.

At a cost of less than 3 cents per kilowatt - hour, tornado energy is cheaper than burning coal (which rings up at 4 or 5 cents per kwh) and produces no additional greenhouse gases.

The biologists predict that a temperature rise of 1 degree Celsius leads to 6 - 20 percent higher emission of methane bubbles, which in turn leads to additional greenhouse gases in the atmosphere and to an additional temperature increase.

«Every tonne of greenhouse gas that we emit leads to additional emissions from natural sources such as methane bubbles,» says Kosten.

Rather, greenhouse gas emissions from agriculture would drop by 28 percent without farmed animals because of increases associated with producing additional food crops and the use of more synthetic fertilizer to replace manure.

For one, his published study does not take into account what is called the «substitution effect», which makes another weighty argument for cascading use: «The use of wood products helps to avoid greenhouse gas emissions that result during the production of non-wood products such as steel or concrete — and that applies equally for each additional cascading stage,» Professor Richter explained.

«When it comes to life cycle greenhouse gas emissions, wind and solar energy provide a much better greenhouse gas balance than fossil - based low carbon technologies, because they do not require additional energy for the production and transport of fuels, and the technologies themselves can be produced to a large extend with decarbonized electricity,» states Edgar Hertwich, an industrial ecologist from Yale University who co-authored the study.

As it does, it could release tons of additional methane gas, which has 20 times the greenhouse effect of carbon dioxide, possibly increasing the rate of global warming.

Schlesinger and Ramankutty reach broadly similar conclusions, but they also point out that even though greenhouse gases now dominate global warming, if part of the warming during this century is indeed due to solar changes, the additional greenhouse effect may be weaker than was previously thought (Nature, vol 360, p 330).

«You have scenarios assuming very strong decisions, very quick and sharp reduction of greenhouse gases, and you have other scenarios with business as usual, where you end up with predictions of additional warming of 5, 6 degrees, maybe even more.

Even allowing for the relative strength of the effects, CO2 is still responsible for two - thirds of the additional warming caused by all the greenhouse gases emitted as a result of human activity.

The U.S. Environmental Protection Agency estimated that Keystone XL tar sands oil would result in additional greenhouse gas emissions of 27 million metric tons annually compared with conventional oil.

In 2020, activities supported under part E shall provide greenhouse gas reductions in an amount equal to an additional 10 percentage points of reductions from United States greenhouse gas emissions in 2005.

-- The Secretary shall establish by rule a program to conduct research to develop additional projects and activities for crops to find additional techniques and methods to reduce greenhouse gas emissions or sequester greenhouse gases that may or may not meet the criteria for offset credits established under the American Clean Energy and Security Act of 2009.

To have any hope of slowing the pace and holding down the upper level temperatures that global warming will bring over this century, the human population of the world will need to make large reductions of the additional billions of tons of greenhouse gases they are projected to be pumping into the atmosphere, each year.

Greenhouse gas pollution was also found to have extended fires seasons and caused additional days of severe fire danger.

These results and the emerging additional regions of highest climate change vulnerability under high emissions scenarios (Figures S7, S8, S9) suggest that global policies that mitigate greenhouse gas emissions will substantially reduce species» climate change vulnerability.

This is assuming that we don't achieve any significant reductions in greenhouse gas emissions - after all, our goal of limiting warming an additional two degrees Celsius (3.6 °F) is likely utterly unattainable.

It will also include complicated models of interconnected ecosystem feedbacks.The panel's last report noted that preliminary knowledge of such feedbacks suggested that an additional 100 billion to 500 billion tons of greenhouse gas emissions would have to be prevented in the next century to avoid dangerous global warming.

To have any hope of slowing the pace and holding down the upper level temperatures that global warming will bring over this century, the human population of the world will need to make large reductions of the additional billions of tons of greenhouse gases they are projected to be pumping into the atmosphere, each year.

However, the Management and Guest Contributors at WUWT accept the basic truth that CO2, water vapor, and other «greenhouse gases» are responsible for an ~ 33ºC boost in mean Earth temperature, that CO2 levels are rising, partly due to our use of fossil fuels, that land use has changed Earth's albedo, and that this human actvity has caused additional warming.

The article might lose impact because it doesn't test CO2 specifically, just a concoction of greenhouse gases, and because it includes a lot of additional analysis.

With the warming already committed in the climate system plus the additional warming expected from rising concentrations of greenhouse gases in the atmosphere, the Arctic will experience significant changes during this century even if greenhouse gas emissions are stabilized globally at a level lower than today's.

Global average surface temperatures are not expected to change significantly although temperatures at higher latitudes may be expected to decrease to a modest extent because of a reduction in the efficiency of meridional heat transport (offsetting the additional warming anticipated for this environment caused by the build - up of greenhouse gases).

3) If countries like China and India follow the American pattern in transportation, ballooning demand for oil is bound to be a disruptive influence on world affairs with or without the climate impact of all those additional emissions of greenhouse gases.

I have read further and found that the term tipping point in the realm of climate science can refer to many things such as ancient ice melting to the point of releasing additional greenhouse gases.

The hypothesis in this paper is that the ice albedo response and possibly the additional greenhouse gas feedback could respond much more quickly if the energy imbalance is larger, as it is right now with our forcing of additional CO2 into the atmosphere.

Adding electricity generation from biogas derived from waste and sewage treatment provides an additional input of carbon - free power while consuming a potent greenhouse gas.

(I think that an anomalously warm ocean surface heated from below would lead to more evaporation, and the additional water vapor would give a positive greenhouse effect that would partially offset the effect of a drop in greenhouse gas concentrations.)

The committee's model calculations, while exploratory and highly uncertain, indicate that the benefits of making the transition, i.e. energy cost savings, improved vehicle technologies, and reductions in petroleum use and greenhouse gas emissions, exceed the additional costs of the transition over and above what the market is willing to do voluntarily.»

Here's just one case in point: As the New York Times reports, the nine Northeastern states (Connecticut, Massachusetts, New York, Delaware, Maine, Maryland, New Hampshire, Rhode Island and Vermont) that make up the Regional Greenhouse Gas Initiative (RGGI) have announced an additional 30 % reduction in power plant greenhouse gas emissions by 2030, on top of the 40 % reduction already achieved since the initiative launcheGreenhouse Gas Initiative (RGGI) have announced an additional 30 % reduction in power plant greenhouse gas emissions by 2030, on top of the 40 % reduction already achieved since the initiative launched in 20Gas Initiative (RGGI) have announced an additional 30 % reduction in power plant greenhouse gas emissions by 2030, on top of the 40 % reduction already achieved since the initiative launchegreenhouse gas emissions by 2030, on top of the 40 % reduction already achieved since the initiative launched in 20gas emissions by 2030, on top of the 40 % reduction already achieved since the initiative launched in 2009.

According to McNider et al., the minimum temperatures are more a fucntion of heat redistribution during evening hours versus additional nighttime heat being added by greenhouse gases.

However, the U.S. has pledged to reduce emissions by 26 - 28 % from 2005 levels by 2025 in its internationally determined contribution (INDC) to the UN process, meaning that the US must make more than an additional 16 % reduction from fuel efficiency standards, energy efficiency programs, non-CO2 greenhouse gas (e.g. methane, hydrofluorocarbons) reductions, and other components of Obama's climate action plan in order to meet its INDC.