Sentences with phrase «by humans burning fossil fuels»

If you add up all the fluxes, you find that 0.2 Gt of carbon are being absorbed by terrestrial plants and soils, 2 Gt are being absorbed by the ocean, and 5.5 Gt are being emitted by humans burning fossil fuels.

They estimate this to be 5,000 PgC and it is being transfered to the carbon cycle (by humans burning fossil fuels) at a rate of 6.5 PgC p.a.

A: Carbon dioxide (CO2) is not the most abundant greenhouse gas, nor is it the most potent, but it is the number one greenhouse gas responsible for the accelerated greenhouse effect, added by humans burning fossil fuels.

And do you also agree that there is a completely clear correlation between increases in CO2 concentration in the atmosphere and CO2 released by humans burning fossil fuels and land clearning?

The National Academy of Sciences found that 97 % of actual climate researchers understand that global warming is happening and is primarily caused by humans burning fossil fuels.

Climate change is real, caused by humans burning fossil fuels, and potentially a serious threat to society.

Assuming (a) global warming is really happening, and (b) it is caused by humans burning fossil fuels, then we have to get to

98 % of actual climate scientists (a distinction Dr. Willie Soon does not earn) agree that global warming is real and primarily drive by humans burning fossil fuels like coal and oil.

The primary way freshwater ecosystems absorb CO2 created by humans burning fossil fuels is likely different than what happens in oceans.

Not exact matches

When we clear forests, we're not only knocking out our best ally in capturing the staggering amount of GHGs we humans create (which we do primarily by burning fossil fuels at energy facilities, and of course, in cars, planes, and trains).

Howie Hawkins, the recent Green Party candidate for Governor, called today upon Governor Cuomo to acknowledge the climate change is being caused by human activity, starting with the burning of fossil fuels.

Or is minimizing alterations to the global environment introduced by human activity — rising levels of CO2 from fossil - fuel burning, widespread extinction, dams that impound water — more important to our success?

Since levels of greenhouse gases have continued to rise throughout the period, some skeptics have argued that the recent pattern undercuts the theory that global warming in the industrial era has been caused largely by human - made emissions from the burning of fossil fuels.

Over the last few centuries, the ocean has absorbed huge amounts of the carbon dioxide spewed into the atmosphere by human activities, such as burning fossil fuels.

Over the past 250 years, human activities such as fossil fuel burning have raised the atmospheric CO2 concentration by more than 40 % over its preindustrial level of 280 ppm (parts per million).

The latest version, more than a year in the making, reiterates findings that global warming is unequivocal and primarily caused by humans from the burning of fossil fuels, the clearing of forests, and the disruption of agricultural activities.

Kyoto regulates all sources of carbon dioxide as well as other greenhouse gases, but reliable long - term data by country are available only for carbon dioxide from burning fossil fuels (which accounts for about two - thirds of the human contribution to global warming).

That molecule — released by the gigaton from human activities like fossil fuel burning and clearing forests — causes the bulk of global warming.

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.

«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

It's also sensitive to the atmospheric composition of gases, and humans have influenced that by burning fossil fuels for over a century.

Schlosser states, «In the last 150 years, the earth's temperature has increased by nearly 1 degree Celsius (1.8 degrees Fahrenheit) due to humans» emission of greenhouse gases, mainly burning of fossil fuels.»

Emissions of CO2 by human activities, including fossil fuel burning, cement production, and gas flaring, amount to about 27 billion tonnes per year (30 billion tons)-LSB-(Marland, et al., 2006)-- The reference gives the amount of released carbon (C), rather than CO2, through 2003.].

We know with certainty that the increase in CO2 concentrations since the industrial revolution is caused by human activities because the isotopes of carbon show that it comes from fossil fuel burning and the clearing of forests.

But there can be too much of a good thing: In the last 200 years, humans have added a lot of extra carbon dioxide to the atmosphere by burning fossil fuels like coal, oil and gas to produce energy.

The global warming gases derived from human activity are produced by fossil fuels used in cars, in industry and in power plants, the agricultural production and the burning forests.

The Post reported that Rasool, writing in Science, argued that in «the next 50 years» fine dust that humans discharge into the atmosphere by burning fossil fuel will screen out so much of the sun's rays that the Earth's average temperature could fall by six degrees.

If global warming is only caused by burning of fossil fuels then it may be possible for humans to do something about global warming.

If he understood this, he would understand how humans have disrupted the carbon cycle — we are releasing carbon from long - term storage by burning fossil fuels, which is causing an imbalance in the cycle and is leading to a build of carbon in the atmosphere.

According to a paper by Gerald Meehl at the National Center for Atmospheric Research, models show that if human burning of fossil fuels is not curtailed there could be 20 heat records for every cold record by 2050, and by 2100 the ratio could be 50 to 1.

Such factors include increased greenhouse gas concentrations associated with fossil fuel burning, sulphate aerosols produced as an industrial by - product, human - induced changes in land surface properties among other things.

3) By burning fossil fuels, humans activities are increasing the greenhouse gas concentration of the Earth (Arrhenius, 1896).

«In 1997, human - caused Indonesian peat fires were estimated to have released between 13 % and 40 % of the average carbon emissions caused by the burning of fossil fuels around the world in a single year.»

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.

The very next year the same magazine reported that «The world may be inching into a prolonged warming trend that is the direct result of burning more and more fossil fuels...» The ice - age theories, said the article, «are being convincingly opposed by growing evidence of human impact.»

Caused by the burning of fossil fuels, deforestation, agricultural practices, and other human impacts, climate change has currently raised global temperatures 0.8 degrees Celsius (1.44 degrees Fahrenheit) higher than the Industrial Revolution average.

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

The greenhouse gas increases, CO2 in particular, are also clearly demonstrated to be the result of fossil fuel burning by humans.

And don't you find it at all interesting that this time span lines up quite closely with the modern era of greatly increased burning of fossil fuels by humans, first coal and peat, and later oil and gas?.

Are you assuming that to be identical with «fossil fuel burning by humans had nothing to do with it»?

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.

A caption below a photo of what looks like a smokestack added: «Humans have altered Earth's climate by burning coal and other fossil fuels that release carbon dioxide,» according to an image of the panel provided by the Perot Museum and by the panel's designer.

And if humans go on burning fossil fuels at the present profligate way, the areas suitable for growing coffee could drop somewhere between 73 % and 88 % by 2050.

They report in the journal Climatic Change that, if humans continue to burn fossil fuels at an accelerating rate, and as average global temperatures creep up by the predicted 4 °C above historic levels, then on the hottest days, between 10 % and 30 % of fully - loaded planes may have to remove fuel, cargo or passengers before they can take off: either that, or flights will have to be delayed to the cooler hours.

U.S. National Academy of Sciences founded by Abraham Lincoln back in the 19th century, all the national academies of all of the major industrial nations around the world have all gone on record as stating clearly that humans are warming the planet and changing the climate through our continued burning of fossil fuels.

carbon dioxide from humans burning fossil fuels has increased the average temperature of the planet by 1.4 Fahrenheit or.8 Celsius over the past 130 years.

The IPCC has not only asserted that global warming is occurring, but that to a large degree it is caused by human activities such as burning fossil fuels rather than being a natural phenomenon.

He has published scores of articles insisting that global warming isn't caused by humans, and suggesting that we can carry on burning fossil fuels without regard for the climate.

An overwhelming majority of scientists agree that the Earth is getting warmer and that humans have contributed directly to the change by burning fossil fuels for energy.