Sentences with phrase «of human greenhouse gas»

For decades, tropical deforestation has been the No. 1 cause of species extinctions and the No. 2 cause of human greenhouse gas emissions, after the burning of fossil fuels.

Global Warming alarmists tell us that the world is heating at an unprecedented rate due to the unprecedented output of human greenhouse gas emissions.

To arrive at their lower climate sensitivity range than the IPCC, Lewis and Curry analysed the Earth's observed temperature change, ocean heat uptake and the level of human greenhouse gas emissions and natural variability.

So we have a situation in which the latest science on two key issues: how much the earth will warm as a result of human greenhouse gas emissions, and how well climate models perform in projecting the warming, is largely not incorporated into the new IPCC report.

All these impacts are the direct result of human greenhouse gas emissions and their forcing effect on the world's climate.

Moreover, we quantified the consensus as a fraction of those who actually answered the question by providing an estimate of the human greenhouse gas contribution.

Climate modelers are scrambling to try to save their creations» reputations because the one thing that they do not want to have to admit is that they exaggerate the amount that the earth's average temperature will increase as a result of human greenhouse gas emissions.

Hurricanes derive their power from warm sea surface temperatures (Emanuel at al., 2005) and the oceans have been warming because of human greenhouse gas emissions (Abraham et al., 2013).

One passage written by Heartland reads, «Scientists who study the issue say it is impossible to tell if the recent small warming trend is natural, a continuation of the planet's recovery from the more recent «Little Ice Age,» or unnatural, the result of human greenhouse gas emissions.»

To better determine the fate of the species in the face of climate change, the researchers analyzed a total of 34 different global climate models, taking into account atmospheric sensitivity to greenhouse gases and different levels of human greenhouse gas emissions.

That has squeezed out the Quino checkerspot butterfly's habitat, and with the climate changes coming as a result of human greenhouse gas emissions, its listing as an endangered species by the U.S. government may not be enough to save the pretty little butterfly from extinction.

In addition, this NOAA dataset also makes it perfectly clear that global climate change is not some simple linear function of human greenhouse gases, as proposed by low - information elites and media.

Not exact matches

Coral reefs are dying: We've already lost half the world's coral because of human activity like dredging the sea floor, pollution, and emitting greenhouse gases that warm ocean waters and make them more acidic.

Exxon has argued against all the other shareholder proposals as well, including a «policy to explicitly prohibit discrimination based on sexual orientation and gender identity»; a policy articulating Exxon's «respect for and commitment to the human right to water»; «a report discussing possible long term risks to the company's finances and operations posed by the environmental, social and economic challenges associated with the oil sands»; a report of «known and potential environmental impacts» and «policy options» to address the impacts of the company's «fracturing operations»; a report of recommendations on how Exxon can become an «environmentally sustainable energy company»; and adoption of «quantitative goals... for reducing total greenhouse gas emissions.»

Trump's stance on the environment contradicts thousands of scientists and decades of research, which has linked many observable changes in climate, including rising air and ocean temperatures, shrinking glaciers, and widespread melting of snow and ice, to an increase in greenhouse gas emissions from human activities.

One problem is that dangerous levels of climate change are exacerbated by positive feedback loops — changes that release more greenhouse gases from nature due to warming driven by humans.

``... a number of scientific studies indicate that most global warming... is due to the great concentration of greenhouse gases released mainly as a result of human activity... these gases do not allow the warmth of the sun's rays reflected by the earth to be dispersed in space.

... A number of scientific studies indicate that most global warming in recent decades is due to the great concentration of greenhouse gases (carbon dioxide, methane, nitrogen oxides and others) released mainly as a result of human activity... Doomsday predictions can no longer be met with irony or disdain.

Animal agriculture is the single greatest human - caused source of greenhouse gases, land use, and land degradation.

According to the United Nations, the biggest source of greenhouse gases is livestock raised for human consumption.

As well as explaining that the production of meat — on its journey from farm to fork — is responsible for 15 per cent of the planet's harmful greenhouse gas emissions, it underlines that raising equivalent amounts of grain or vegetables for human consumption uses far less land, water and resources.

And food waste causes 8 % of human - produced greenhouse gas emissions.

Nearly a quarter of all food calories produced for humans are never consumed, resulting in about $ 1 trillion in annual economic losses, significant greenhouse gas emissions and inefficient use of water, land and other resources.

The way we currently produce food around the world contributes up to 20 - 30 % of the world's greenhouse gas emissions and accounts for 70 % of all human water use.

Granted, there are more benefits to reducing particulate and greenhouse gas emissions than just climate change, i.e. PM 2.5 which can be stuck in the human lung and cause cancer / respiratory issues, SO2 which contributes to acid rain (we've already eliminated the majority of this problem), as well as soot (nobody wants the surrounding area covered in ash).

Most scientists and climatologists agree that weird weather is at least in part the result of global warming — a steady increase in the average temperature of the surface of the Earth thought to be caused by increased concentrations of greenhouse gasses produced by human activity.

The findings are the first to note increased greenhouse gas emissions due to antibiotic use in cattle; a recent study suggests that methane emissions from cud - chewing livestock worldwide, including cows, account for about 4 % of the greenhouse gas emissions related to human activity.

Rising anthropogenic, or human - caused, carbon dioxide in the atmosphere may have up to twice the impact on coastal estuaries as it does in the oceans because the human - caused CO2 lowers the ecosystem's ability to absorb natural fluctuations of the greenhouse gas, a new study suggests.

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.

Keeping atmospheric concentrations of greenhouse gases below 550 ppm, let alone going back to 350 ppm or below, will not only require a massive shift in human society — from industry to diet — but also, most likely, new technologies, such as capturing CO2 directly from the air.

Scientists can measure how much energy greenhouse gases now add (roughly three watts per square meter), but what eludes precise definition is how much other factors — the response of clouds to warming, the cooling role of aerosols, the heat and gas absorbed by oceans, human transformation of the landscape, even the natural variability of solar strength — diminish or strengthen that effect.

Oceans are taking in about 90 percent of the excess heat created by human greenhouse gas emissions, but they're also absorbing some of the carbon dioxide (CO2) itself.

The only thing that is clear is that there continues to be great debate and uncertainty among these experts regarding the extent of natural climate variability versus human impacts, and what, if anything, enactment of economy - wide greenhouse gas regulations might do to alter our changing climate.

It is clear that climate change is happening, driven by human emissions of greenhouse gases, and its impacts will be felt around the world.

The overwhelming scientific consensus is that the earth's climate is changing and that human activity — including emissions of carbon dioxide and other greenhouse gases — is contributing to that change.

Some greenhouse gases occur naturally in the atmosphere, while others result from human activities such as burning of fossil fuels such as coal.

The inquiry aims to find out whether the oil company was aware of the dangers of human - made climate change but chose to keep quiet and to promote denial groups challenging the scientific consensus that greenhouse gas emissions are warming the planet.

Yet, despite this decline, Arctic temperatures have soared and the most likely culprit is the build - up of greenhouse gases in the atmosphere from fossil fuel burning, forest clearing and other human activity, Kaufmann and his colleagues wrote.

But that may be about to change, thanks to a new type of climate study that can connect individual weather events with the impact of human - made greenhouse gas emissions.

«There is a certain ironic satisfaction in seeing a study funded by the Koch Brothers — the greatest funders of climate change denial and disinformation on the planet — demonstrate what scientists have known with some degree of confidence for nearly two decades: that the globe is indeed warming, and that this warming can only be explained by human - caused increases in greenhouse gas concentrations,» he wrote.

Other scientists have criticized the planetary boundaries as too generous (for example, allowing too much human appropriation of freshwater flows) or employing the wrong metric (atmospheric concentrations of CO2 rather than cumulative emissions of greenhouse gases).

Current climate change models indicate temperatures will increase as long as humans continue to emit greenhouse gases into the atmosphere, but the projections of future precipitation are far less certain.

The ability of the oceans to take up carbon dioxide can not keep up with the rising levels of greenhouse gases in the atmosphere, which means carbon dioxide and global temperatures will continue to increase unless humans cut their carbon dioxide emissions.

In the first study of its kind, scientists have calculated the amount of carbon absorbed by the world's tropical forests and the amounts of greenhouse gas emissions created by loss of trees, as a result of human activity.

Under the next White House Administration, Holdren said, science - based challenges that will require sustained, robust investment include efforts to ensure safe and sustainable food, water, and energy for everyone, reduce greenhouse gases, minimize harm from climate change already underway, combat diseases such as Zika, defeat cancer, improve quality - of - life for those who are aging, prevent devastating asteroid impacts, and send humans into space «not just to visit, but to stay.»

Greenhouse gases from transportation may become one of the greatest drivers of human - induced climate change, according to a draft of the forthcoming U.N. fifth assessment report on mitigation of climate change

Humans add about 40 billion tonnes of the greenhouse gas to the air annually.

The vigorous, vehement and vexed reactions to any piece I have written that mentions climate change, combined with the power of greed on the one hand and the struggle for subsistence on the other, have convinced me there is no chance that governments will significantly reduce the output of industrial greenhouse gases in time to stave off considerable change to the planet's climate and to human habitats.

On the current trajectory, greenhouse gas emissions from cars, trains, ships and airplanes may become one of the greatest drivers of human - induced climate change, according to a draft of the forthcoming U.N. fifth assessment report on mitigation of climate change.

Of course, the extra heat trapped by human greenhouse gas emissions is likely to play a bigger role than raindrop friction in any atmospheric changes.