Sentences with phrase «emitted by fossil fuels»

Yes: global warming is real, and some of it at least has been caused by the CO2 emitted by fossil fuels.

According to a study by The Brattle Group, funded by Exelon and other nuclear supporters, the three reactors in Oswego County and another in Wayne County eliminate nearly 16 million tons of carbon dioxide a year that would otherwise be emitted by fossil fuel power plants.

While there are many instruments that can measure CO2 concentration in the atmosphere, the difficulty is in separating natural CO2 from plant life from humanmade CO2 emitted by fossil fuel burning.

In fact, after 2050, Hansen's pathway (which, again, we used as the basis of our own) assumes that enhanced sinks will draw more CO2 out of the atmosphere than is emitted by fossil fuel combustion or deforestation, yielding a net budget of about negative 150 gigatonnes of CO2 over the second half of the 21st century.

Through Carbon Capture and Enhanced Oil Recovery (EOR), previously unreachable oil is made available when the CO2 emitted by fossil fuel plants is pumped into the oil basin, where it is captured underground within the local geology.

On a national scale, the pair calculate that fires in the US release about 290 million metric tonnes of carbon dioxide each year — about 4 — 6 % of the amount that the country emits by fossil fuel burning.

Not exact matches

Carbon dioxide is mainly emitted by burning fossil fuels.

Newer designs should help close the gap, but fossil fuels» cost - effectiveness is driven, in part, by a licence to emit carbon dioxide.

Most electricity in the United States is generated at power plants that run on coal and natural gas — fossil fuels that contribute significantly to global warming by emitting large amounts of carbon dioxide.

Aggressive measures to curtail the use of fossil fuels and emissions of so - called short - lived climate pollutants such as soot, methane and HFCs would need to be accompanied by active efforts to extract CO2 from the air and sequester it before it can be emitted.

Some people charge their battery electric cars by plugging into the power grid, which delivers electricity generated largely from carbon - emitting fossil fuels.

VOCs come out of tailpipes and smokestacks as a by - product of burning fossil fuels; the trees emit them in part to repel insects and to attract pollinators.

At the moment, these carbon markets only trade in credits for terrestrial ecosystems; for example, keeping a certain amount of forest intact in order to offset a ton of carbon dioxide emitted by burning fossil fuels.

According to the latest report from the Global Carbon Project, a group of scientists who track the amount of carbon emitted by human activity, 2017 will see a 2 percent increase in the burning of fossil fuels, after nearly no growth in 2014, 2015 or 2016.

By piecing together the annual production of every major fossil fuel company since the Industrial Revolution, geographer Richard Heede has shown that nearly two - thirds of the major industrial greenhouse gas emissions have originated in just 90 companies around the world, which either emitted the carbon themselves or supplied carbon ultimately released by consumers and industrBy piecing together the annual production of every major fossil fuel company since the Industrial Revolution, geographer Richard Heede has shown that nearly two - thirds of the major industrial greenhouse gas emissions have originated in just 90 companies around the world, which either emitted the carbon themselves or supplied carbon ultimately released by consumers and industrby consumers and industry.

The study adds to earlier evidence that mothers» exposures to polycyclic aromatic hydrocarbons (PAHs), which are emitted by the burning of fossil fuels and other organic materials, are linked to children's behavioral problems associated with Attention Deficit Hyperactivity Disorder (ADHD).

Acid rain arises when sulfur dioxide and nitrogen oxides (NOx), emitted by burning fossil fuels, react with water droplets in the air to form sulfuric and nitric acid.

Scientists believe the world's peat bogs can contain up to 500 billion metric tons of carbon — that's about 50 times more carbon than is emitted into the atmosphere each year by the burning of fossil fuels.

«Thanks to forests that sequester some of the carbon we are emitting by burning fossil fuels, human - induced climate change is happening more slowly than it otherwise would,» says Saleska.

Over a long enough period of time, the increased carbon burial could help offset a small fraction of carbon emitted by human activities such as fossil fuel burning, says study coauthor Antje

By the sixties, it was well - established science that CO2 concentration is rising due to fossil fuel emissions, and in the nineties we certainly knew that the observed rise represents only 57 % of what we have emitted.

Support companies less dependent on fossil fuels by overweighting their stocks relative to higher carbon - emitting peers

The transition from deeply rooted energy systems based on burning fossil fuels to new norms emitting ever less of this gas — here and in China — is seen by many as requiring a sustained energy quest including much greater direct government investment on the frontiers of relevant technologies (batteries, photovoltaics, superconductivity, photosynthesis).]

Third, the recent paper by Samset et al in GRL found that the loss of the cooling anthropogenic aerosols (primarily sulphates) emitted with fossil fuels combustion (mostly from coal and bunker fuels) would result in a near real - time warming of 0.5 C to 1.1 C.

This would include costs like storing and monitoring nuclear waste indefinitely, CO2 emitted to the atmosphere by fossil fuels, nitrous oxides and sulfur oxides from coal degrading the environment through acid rain, maintaining a large military to protect our oil supply lines from the middle east, pollutants entering water supplies from solar panel manufacture, pollutants generated by drilling for gas, etc., etc..

By burning fossil fuels, we are likely to emit the same amount over the next three centuries,» said James Zachos, professor of Earth sciences at the University of California, Santa Cruz.

Of the emitted CO2 from burning of fossil fuels, about 50 % is absorbed by the ocean and terrestrial carbon sinks at present.

Keep in mind that the overwhelming majority of greenhouse gases have been, and continue to be, emitted by the massive fossil fuel consumption of a tiny percentage of the Earth's human population, most of them in countries with low rates of population growth — and that the overwhelming majority of human beings on the Earth, particularly those in countries with relatively high rates of population growth, generate only a small amount of greenhouse gases.

The kind of climate we wind up with is largely determined by the total amount of carbon we emit into the atmosphere as CO2 in the time before we finally kick the fossil fuel habit (by choice or by virtue of simply running out).

While most of the CO2 emitted by far is the result of natural phenomena — namely respiration and decomposition, most attention has centered on the three to four percent related to human activities — burning of fossil fuels, deforestation.

Therefore, if switching to natural gas from coal reduces the amount of CO2 you emit, you can tolerate quite a large amount of leakage and still come out ahead, because the warming caused by the leakage will go away quickly once you eventually stop using natural gas (and other fossil fuels), whereas the warming you would get from all the extra CO2 you'd pump out if you stuck with coal would stay around forever.

Two fossil fuel facts define the basic actions that are required to preserve our planet's climate: (1) it is impractical to capture CO2 as it is emitted by vehicles (the mass of emitted CO2 is about three times larger than the mass of fuel in the tank), and (2) there is much more CO2 contained in coal and unconventional fossil fuels than in oil and gas.

Most auto makers agree that fuel - cell cars powered by hydrogen produced with renewable energy sources are the end game since they would rely on no fossil fuels and emit only pure water.

Recent studies including an assessment by the United Nations Environment Program and the World Meteorological Organization indicate that it's possible to slow the pace of warming and melting in the Arctic in the near term by reducing emissions of two common climate pollutants: black carbon and methane, both of which are emitted from the extraction and burning of fossil fuels.

Fossil fuel burning by humans emits tiny particles in addition to releasing CO2 in the atmosphere.

Seems like Hoskins confused fossil fuel contributions with total anthropogenic contributions, 40 % with 64 %, and a source saying more than twice the total increase had been emitted by humans with one that said less than half.

In a study released in March, researchers affiliated with the University of Minnesota, Minnesota Sea Grant and the U.S. Environmental Protection Agency found that, globally, lakes and manmade «impoundments» like reservoirs emit about one - fifth the amount of greenhouse gases emitted by the burning of fossil fuels.

For a 1.5 - degree goal, large - scale negative emissions activity would need to begin soon, before 2030, and expand rapidly, so that by 2050 or sooner the amount of carbon sucked out of the atmosphere would have to exceed the amount emitted into it from fossil fuel burning.

At our present rate of fossil fuel consumption, it is estimated that we will have emitted one trillion tons of industrial era carbon by about 2040.

About 40 percent of methane is emitted into the atmosphere by natural sources like wetlands and termites, with the rest coming from human activities like cattle breeding, rice growing, fossil fuel exploitation, landfills and biomass burning.

Friedman... would have viewed climate change as a negative externality associated with burning fossil fuels and would have believed that society was entitled to recover its losses from those who emit carbon to advance their economic interests... While there is a market for the products that are associated with greenhouse gas emissions — like electricity, fuel and steel — there is no market for the pollution inflicted by their manufacturers on the public.

Only half of the CO2 emitted by the burning of fossil fuels stays in the atmosphere.

The EPA uses a formula of «CO2 emissions from fossil fuel - fired power plants in pounds (lbs) divided by state electricity generation from fossil - fuel fired power plants and certain low - or zero - emitting power sources in megawatt hours (MWh)» to calculate each state target.

All this consumes more fuel and emits more CO2 than would be the case if the fossil fuels were operating at their optimum efficiency, or just responding to demand without the added inefficiency caused by the intermittent renewable energy generators.

You also ignored a key constraint on the amount of CO2 emitted by humans, i.e. the amount of carbon contained in all the remaining fossil fuels on Earth.

Since 1750, we have emitted about 580 billion tonnes of carbon into the atmosphere by burning fossil fuels, cutting down forests and making cement.

In order to achieve the target set by the Paris Agreement --- to limit the rise in global average temperature to below the 2 degree C threshold — all new construction must be designed to high energy efficiency standards and use no CO2 - emitting fossil fuel energy to operate; by 2050 the entire built environment must be carbon neutral.

Thirdly, that is irrelevant to my main point that man emits CO2, CO2 has increased in the atmosphere in direct proportion to mans emissions and because it is new CO2 from fossil fuels the amount of carbon in the carbon cycle has increased by the same amount.

The rise in greenhouse gases corresponds with the extra amount of CO2 known to have been emitted by human activities, such as burning fossil fuels and cutting down forests.

All the CO2 that's emitted by the burning of fossil fuels etc has already been in the atmosphere at some point in time.