Sentences with phrase «from greenhouse gas emissions from human activities»

Unfortunately for the EPA, a major pillar of support of the Endangerment Finding — that «most» of the «observed warming» since the mid-20th century is from greenhouse gas emissions from human activities — has been shown by recent scientific research in major peer - reviewed scientific journals to be largely in doubt.

Not exact matches

It commits rich and poor nations to rein in rising carbon levels and is an attempt to eliminate net greenhouse gas emissions from human activity this century.

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.

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.

German researchers suggest that greenhouse gas emissions from human activity are linked to an increase in extreme weather events

Global warming became big news for the first time during the hot summer of 1988 when now - retired NASA climate scientist James Hansen testified before Congress that the trend was not part of natural climate variation, but rather the result of emissions of CO2 and other greenhouse gasses from human activities.

Although carbon dioxide accounts for the vast majority of greenhouse gas emissions from human activities, methane emissions are also an important factor driving climate change.

http://www.enterprisemission.com/ [Interplanetary] The claim is being used to encourage listeners to conclude that greenhouse gas emissions from human activity is probably minor.

The past century has seen a 0.8 °C increase in average global temperature, and according to the IPCC, the overwhelming source of this increase has been emissions of greenhouse gases and other pollutants from human activities.

Carbon dioxide and other greenhouse gas emissions from human activities.

At a time when greenhouse gas emissions from human activities are at historically high levels and glaciers are melting, Purple poses the question of human responsibility.

Mr. McCain has been an interesting voice on global warming, given that he broke with President Bush and most of his party years ago, acknowledging that the buildup of greenhouse gases from human activities was risky and mandatory steps were needed to curb emissions.

That the threat posed by the buildup of heat - trapping greenhouse gases in the atmosphere from human activities is sufficient to justify a concerted, sustained effort to curb, and eventually deeply cut, such emissions.

«The primary cause of both trends is emissions of carbon dioxide and other greenhouse gases from industry, transport and other human activities.

Human activity — particularly the production of greenhouse gasses from fossil fuel emissions — is reshaping our planet, effecting rapid environmental change at a rate never seen before.

In the 1980's, greenhouse gas (GHG) emissions from human activity became a worldwide concern and are a possible cause of climatic changes.

In the causal chain that stretches from human activities, to greenhouse - gas emissions, to greenhouse - gas concentrations, to temperature rise, to climate damages, there are all kinds of scientific uncertainties.

«The verdict is in: Global warming is real and greenhouse - gas emissions from human activity are the main cause.

of today's yearly emissions from human activities, making the reduction of greenhouse gases in the atmosphere a much more difficult task.

To hold the temperature increase to about 1.5 degrees, the globe would need to cut its greenhouse gas emissions to zero by 2050, and then have negative emissions, meaning «the sum of all human activities is a net removal of CO2 from the atmosphere,» the study says.

Despite decades of research and thousands of peer - reviewed publications to the contrary, AFP rigidly adheres to the denialist arguments that greenhouse gas emissions from human activities pose no significant danger to Americans — or the rest of the planet.

But the IPCC concerns itself with consideration of anthropogenic (i.e. man - made) global warming (AGW) as a result of emissions of greenhouse gases (notably carbon dioxide, CO2) from human activities.

Apart from widespread damage to infrastructure (roads, houses) in northern territories, resulting annual carbon emissions could eventually amount to 15 - 35 percent of today's yearly emissions from human activities, making the reduction of greenhouse gases in the atmosphere a much more difficult task.

Scientists in the US say parts of Australia are being slowly parched because of greenhouse gas emissions — which means that the long - term decline in rainfall over south and south - west Australia results from fossil fuel burning and depletion of the ozone layer by human activity.

In a keynote address to the conference, Mr Jarraud reiterated the urgency of action to reduce greenhouse gas emissions from human activities, and sounded a warning note about using geoengineering to try to limit climate change.

Scientists say that the world is currently undergoing warming due to carbon and other greenhouse gas emissions from human activities, such as burning fossils, deforestation, and land use changes.

The experts say their research DOES NOT UNDERMINE THE SCIENTIFIC CONSENSUS THAT EMISSIONS OF GREENHOUSE GASES FROM HUMAN ACTIVITY DRIVE GLOBAL WARMING, BUT THEY CALL FOR A CLOSER EXAMINATION OF THE WAY CLIMATE COMPUTER MODELS CONSIDER WATER VAPOUR.

Climate change is occurring, is very likely caused primarily by the emission of greenhouse gases from human activities, and poses significant risks for a range of human and natural systems.

Over the last 50 years, climate scientists have built an increasingly clear picture of how the greenhouse gas (GHG) emissions that arise from human economic activity are changing the Earth's climate.

The warming of the Earth is largely the result of emissions of carbon dioxide (CO2) and other greenhouse gases from human activities.

The region locks up more than 100 billion tons of carbon — more than 11 years» worth of total greenhouse gas emissions from human activities; plays an important role in global weather circulation patterns, including delivering rainfall to Central America, the United States, and southern South America; supports perhaps a third of terrestrial biodiversity; and is home to the bulk of the world's remaining indigenous people still living in traditional ways.

Greenhouse gas (GHG) emissions from human activity and livestock are a significant driver of climate change, trapping heat in the earth's atmosphere and triggering global warming.

(04/23/2009) Fire accounts for roughly half of greenhouse gas emissions from deforestation and about twenty percent of total emissions from human activities, report researchers writing in the journal Science.

In a recent article, we call this anthropogenic drought, which is water stress caused or intensified by human activities, including increased demand, outdated water management, climate change from anthropogenic greenhouse gas emissions, growing energy and food production, intensive irrigation, diminished supplies, and land use change.

The planet is warming because of the growing level of greenhouse gas emissions from human activity.

Major sources of greenhouse gas emissions from human activities include power generation (about 25 per cent of all emissions), transport, industrial activities, deforestation and agriculture.

Climate realists, those of us who do not support the hypothesis that greenhouse gas emissions from human activities are causing a climate crisis, have certainly been pleased.

Emissions of several important greenhouse gases that result from human activity have increased substantially since large - scale industrialization began in the mid-1800s.

In other words, the EF defines carbon uptake in forests as the single mechanism for offsetting human emissions of greenhouse gases from industrial activity to the atmosphere.

Since the Industrial Revolution, emissions from human activities of greenhouse gases such as carbon dioxide have driven the earth's climate system dangerously outside of its normal range.

¶ ¶ 38 («when used -LSB-,]... fossil fuels release greenhouse gases), 39 («use of fossil fuels emits carbon dioxide»), 45 («emissions resulting from human activities are substantially increasing... greenhouse gases»), 48 («increase in atmospheric carbon dioxide caused by the combustion of fossil fuels»), 52 («fossil fuels -LSB-,]... when combusted, emit carbon dioxide»).

This warming is largely the result of emissions of carbon dioxide and other greenhouse gases from human activities... — Global Warming Basics World Wildlife Fund

Perhaps the most important issue in all this is, as the Royal Society pointed out in their assessment of geoengineering, the first and foremost thing we have to do to stop climate change is radically limit greenhouse gas emissions resulting from human activity — stopping burning fossil fuels and stopping deforestation are at the top of list for how to do that.

The identification of other, sometimes more powerful, greenhouse gases such as methane, the contributions to atmospheric carbon dioxide from other human activities such as deforestation and cement manufacture, better understanding of the temperature - changing properties of atmospheric pollution such as sulphur emissions, aerosols and their importance in the post-1940s northern hemisphere cooling: the knowledge - base was increasing year by year.

The largest uncrtainty is the level of greenhouse gas emissions from future human activity.

Deforestation accounts from nearly 20 percent of greenhouse gas emissions from human activities.

Scientists predict that left unchecked, emissions of CO2 and other greenhouse gases from human activities will raise global temperatures by 2.5 º to 11.5 ºF (1.4 º to 6.4 ºC) this century.

In 2016, CO2 accounted for about 81.6 % of all U.S. greenhouse gas emissions from human activities.

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.

In 2016, nitrous oxide (N2O) accounted for about 6 percent of all U.S. greenhouse gas emissions from human activities.