Sentences with phrase «by burning fossil fuels such»

BURNING UP The heat radiated by burning fossil fuels such as natural gas, shown, is overshadowed within months by the greenhouse gas effect of the released carbon dioxide, new research shows.

Not exact matches

Reducing the amount of fossil fuels (such as gasoline for cars and coal burned for electricity) that we use can help slow how quickly the ice is melting (by slowing the rise in average temperatures).

Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the energy produced by the bacteria with electrical energy from external sources — such as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.

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).

After six years of running such simulations, the verdict is in: Increasing greenhouse gas concentrations as a result of burning fossil fuels and cutting down forests increased the risks of flooding in two out of three model runs by more than 90 percent.

As well as being given off by volcanoes, sulphur dioxide is also produced by burning fossil fuels and industrial processes such as smelting.

The researchers incorporated information on soot produced by burning fossil fuels, wood and other biofuels, along with that naturally produced by forest fires and then checked their model predictions against global measurements of soot levels in polar snow from Sweden to Alaska to Russia and in Antarctica as well as in nonpolar areas such as the Tibetan Plateau.

Countries and regions report their CO2 emissions from fossil fuels by counting what they have used, such as the amount of oil, coal or gas they have burned.

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

During the last century or so, over half of the CO2 emissions from fossil fuel burning, industry, and deforestation have been absorbed by natural sinks such as the forests and oceans.

Black carbon is the term used for sooty particles produced by fossil fuel combustion and come from things such as automobile exhaust and biomass burning.

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.

The brochure for the workshop states: «Climate change caused by fossil fuel burning leads to increased risks of extreme events such as heat waves, droughts, fires, severe storms, floods which in turn have major health effects.»

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.

Today, science tells us that we have increased the amount of carbon dioxide in our atmosphere by 40 % since 1880 by burning fossil fuels, such as coal, oil, and natural gas, for our energy needs.

«Climate Change» is a general term used when referring to a wide range of effects brought about by human activities such as burning fossil fuels, deforestation, and «heat island effects» resulting from buildings and pavement in the major human settlements.

Methane produced by these microbial communities tends to have a lighter isotopic signature than that produced by other means, such as fossil fuel burning.

Scientists complained that the programme makers distorted evidence, and made elementary mistakes such as claiming that volcanoes produce more carbon dioxide than human activities, when in fact they produce less than 2 % of that caused by the burning of fossil fuels.

The consumption of fossil fuels is really by means such as burning coal or oil to generate electricity, or using oil products as automotive fuels.

«The burning of fossil fuels such as oil, gas and coal releases greenhouse gases such as carbon dioxide into the Earth's atmosphere, which has warmed to levels that can not be explained by natural variability, scientists say,» USA Today reports.

Data correlating «ordinary science intelligence» (as measured by a standard nine - question test), political ideology, and tendency to agree with the statement «there is «solid evidence» of recent global warming due «mostly» to «human activity such as burning fossil fuels»» suggests that conservative Republicans become less likely to agree with the scientific consensus on climate change the more educated they are.

In fact, 97 percent of actively publishing climate scientists agree — that's right, there is an overwhelming 97 % consensus position that global warming is real and largely driven by human activities such as the burning of fossil fuels.

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.

Last year, more than twice as much money was put into new capacity for renewables such as solar and wind power than into new power stations burning fossil fuels, according to a new analysis by the Frankfurt School of Finance and Management.

Radiative Transfer Physics does not depend entirely on the simple absorbtivity of CO2, which by the way is effectively permanent in air when added by burning fossil fuels, compared to water which saturates and precipitates out depending on climate conditions, such as warming due the GHE, as a marginal shift in the dynamic equilibrium through feedbacks.

Answer: The concept of reducing fossil fuel burning has been slowed down by well meaning environmentalist movements lobbying for systems that do not work such as wind and solar.

James Hansen and colleagues remark that «Climate sensitivity, sea level and atmospheric carbon dioxide [are such that] burning all fossil fuels would make most of the planet uninhabitable by humans, thus calling into question strategies that emphasize adaptation to climate change.»

Climate neutrality means net zero emissions, or that any emissions from burning fossil fuels are offset by measures such as planting trees that soak up carbon dioxide as they grow.

On the question of whether observed changes in climate can be attributed to human activities such as burning fossil fuels, Bolin noted that «The global mean temperature has increased by 0.3 - 0.6 degrees C since the late 19th century, and about 0.3 degrees over the last 40 years.»

Carbon dioxide (CO2)- A naturally occurring gas, also a by - product of burning fossil fuels from fossil carbon deposits, such as oil, gas and coal, of burning biomass and of land use changes and other industrial processes.

It occurs naturally and is also a by - product of human activities such as burning fossil fuels.

Currently, carbon is emitted primarily by burning fossil fuels, such as coal, oil and natural gas.