«Methane is the strongest
human greenhouse gas on a political or short timescale, and also has more bang for the buck in terms of addressing climate change,» said Leifer.
Not exact matches
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.
Our research focuses
on biologically - based mechanisms to reduce pest issues, soil erosion, fossil fuel use, and
greenhouse gas emissions; increase nutrient and water use efficiencies; improve pollinator activity and food security; and apply a systems approach to soil, crop, animal,
human and planetary health.
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.
Pruitt is currently participating in a lawsuit against the EPA's regulations to reduce
greenhouse gas emissions from power plants and denies the overwhelming scientific consensus
on human - caused climate change.
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.
«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.
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
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 chang
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 chang
on mitigation of climate change.
The computer model determines how the average surface temperature responds to changing natural factors, such as volcanoes and the sun, and
human factors —
greenhouse gases, aerosol pollutants, and so
on.
Researchers accounted for
human influence
on climate by estimating the present - day chances of Harvey's rainfall totals and then comparing them with 1950s
greenhouse gas levels.
The scientists looked at the so - called biogenic fluxes or flow of the three
greenhouse gases on land that were caused by
human activities over the last three decades and subtracted out emissions that existed «naturally» during pre-industrial times.
The study supports calls for improved monitoring of wetlands and
human changes to those ecosystems — a timely topic as the Intergovernmental Panel
on Climate Change prepares to examine land use impacts
on greenhouse gas emissions, says Prof. Merritt Turetsky, Department of Integrative Biology.
Scientists can confidently say that Earth is warming due to
greenhouse gas emissions caused by
humans, but data
on climate trends over the Antarctic and the surrounding Southern Ocean only go back to 1979 when regular satellite observations began.
It was clear that climate change is an energy problem — burning fossil fuels to generate energy accounts for 74 per cent of
human - made
greenhouse gas emissions — but I could see that it was very difficult to change the energy industry from the outside and very little was happening
on the inside.
They feed
on carbon dioxide, growing faster and absorbing more of the
greenhouse gas as
humans produce it.
«Many datasets, for example, the data for the total concentration of atmospheric
greenhouse gases, show that
human population has been a strong driver of the total impact of
humans on our planet Earth.
That December, the Intergovernmental Panel
on Climate Change reported that
greenhouse gases were rising, with
human activity the likely cause and dangerous changes in the earth's conditions a likely result.
In the time since the 2007 version of this report, the
human effect
on the climate has grown more than 40 percent stronger, thanks to continued emissions of
greenhouse gases and more precision in measurements, with carbon dioxide leading the charge.
Our homes and offices account for more than one third of all
greenhouse gases emitted by
human activity — the bulk of it for heating in winter and air - conditioning in summer, according to the U.N. Intergovernmental Panel
on Climate Change (IPCC).
But these days, with many scientists are focused
on tracking
greenhouse gases produced by
human activities at national, regional and local scales, the current monitoring network doesn't measure up.
But the paper «Political influences
on greenhouse gas emissions from U.S. states» adds what the MSU researchers say is an important layer to understanding
human impact
on climate change.
WASHINGTON, June 10 (Reuters)- The U.S. Environmental Protection Agency
on Wednesday said
greenhouse gases from aircraft endanger
human health, taking the first step toward regulating emissions from the domestic aviation industry.
Application is an environmental issue in industrialized countries like the United States because of high energy input, increased
greenhouse gas emissions, water pollution and other adverse effects
on ecosystems and
human health.
Because we are not predisposed to believe climate change is caused by
human greenhouse gas emissions, we are able to look at evidence the Intergovernmental Panel
on Climate Change (IPCC) ignores.
Soon is a leading skeptic of the widely accepted science surrounding climate change, In the International Journal of Public Opinion Research, a study titled «The Structure of Scientific Opinion
on Climate Change» found that 97 percent of scientists surveyed believed global warming already is ongoing, with 84 percent of scientists surveyed believing
human - produced
greenhouse gases were the driving force behind the change.
The outcome depends
on how much more carbon dioxide, a main
greenhouse gas,
human activities (such as burning coal and oil) dump into the atmosphere.
Developed for the Commonwealth Marine Science Event 2018, this publication is an initiative by UK scientists and international partners, led by Plymouth Marine Laboratory, providing evidence - based science for policy making
on the impacts of increasing concentrations of carbon dioxide and other
greenhouse gases on the ocean and
human systems.
Petrenko's most recent research focuses
on methane, a powerful
greenhouse gas second only to carbon dioxide in its contribution to
human - driven global warming.
Known as a «co-benefit,» using state of the art models for
human and natural systems, along with climate projections from the international community, the team was able for the first time to put a value
on the global air pollution benefits of cutting
greenhouse gas emissions over the 21st century.
Industrial activities like burning oil, coal and natural
gas and destroying rainforests have pumped
greenhouse gases into the atmosphere at levels unprecedented in
human history, according to the United Nations - led Intergovernmental Panel
on Climate Change.
Methods: The team used new relationships between chronic mortality and exposure to fine particulates and ozone, global modeling methods and new future climate scenarios to simulate the co-benefits of global
greenhouse gas reductions
on air quality and
human health.
The warm waters across the central and eastern tropical Pacific are boosting global temperatures, which is
on top of the long - term warming driven by
human greenhouse gas emissions.
The positive energy imbalance in 2005 — 2010 confirms that the effect of solar variability
on climate is much less than the effect of
human - made
greenhouse gases.
The real question is which factor is doing the heavy lifting — and a new report in Nature released Wednesday says that
on the Antarctic Peninsula, at least,
human - generated
greenhouse gases have almost certainly been by far the most important driver of warming over the past half - century.
[2] According to the Intergovernmental Panel
on Climate Change (IPCC), most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in
human greenhouse gas concentrations.
In other words, there is no warming effect of
greenhouse gases and
humans can carry
on with Business As Usual, including massive burn of fossil fuels.
Human activities are releasing
greenhouse gases more than 30 times faster than the rate of emissions that triggered a period of extreme global warming in the Earth's past, according to an expert
on ancient climates.
Unfortunately for policymakers and the public, while the basic science pointing to a rising
human influence
on climate is clear, many of the most important questions will remain surrounded by deep complexity and uncertainty for a long time to come: the pace at which seas will rise, the extent of warming from a certain buildup of
greenhouse gases (climate sensitivity), the impact
on hurricanes, the particular effects in particular places (what global warming means for Addis Ababa or Atlanta).
And we're pushing
on it with growing force, through the rapid buildup of long - lived
greenhouse gases flowing from
human activities (including burning all that oil we're sucking from seabeds).
The news
on climate change seemed bad enough in 2007, when the Intergovernmental Panel
on Climate Change (IPCC) announced in their fourth assessment report that «warming of the climate system is unequivocal,» that
humans were «very likely» to blame, and that if we keep pumping
greenhouse gases into the atmosphere, climate will «very likely» change much more than it did in the 20th century.
Human footprints
on greenhouse gas fluxes in cryogenic ecosystems https://link.springer.com/article/10.1134/S1028334X17120133
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.
While the report included strong statements pointing to a growing
human influence
on climate, Mr. Bush's critics asserted that the emphasis
on unknowns gave the administration cover to avoid quickly pushing forward with actions to limit
greenhouse -
gas emissions.
A task force assembled by the American Psychological Association hopes to spur more research
on the role of the
human mind in shaping the behaviors resulting in rising
greenhouse -
gas emissions as well as
on traits that can impede an effective response to global warming and similar slow - building environmental risks.
This makes sense, given that any treaty that would have a noticeable impact
on the flow of
greenhouse gases would, by definition, have to transform the way
humans use energy and landscapes.
It is predicated
on observations and established science — that CO2 is a
greenhouse gas, that
humans are increasing CO2 in the atmosphere and that doubling CO2 will raise global temperatures by about 3 degrees.
Karelin et al (2017) «
Human footprints on greenhouse gas fluxes in cryogenic ecosystems» This paper presents no evidence on the subject being concerned with direct human impacts on CH4 emissions (which it says will result in a decrease in CH4 emissi
Human footprints
on greenhouse gas fluxes in cryogenic ecosystems» This paper presents no evidence
on the subject being concerned with direct
human impacts on CH4 emissions (which it says will result in a decrease in CH4 emissi
human impacts
on CH4 emissions (which it says will result in a decrease in CH4 emissions).