Sentences with phrase «fueled by carbon dioxide»

A sudden global warming 55 million years ago might have been fueled by carbon dioxide released from permafrost, as happened in Alaskan fires in 2007.

Not exact matches

In 2016, the solar, landfill gas, and fuel cell projects funded by New Energy Capital offset over 1,190,000 metric tons of carbon dioxide equivalents.

The solar, landfill gas, and fuel cell projects funded by New Energy Capital through the New Energy Capital Cleantech Infrastructure Fund offset over 482 thousand metric tons of carbon dioxide equivalents («MT CO2 Eq.»)

For example, who really notices that the amount of carbon dioxide in the atmosphere has increased by 25 per cent since the middle of the nineteenth century (as a result of the burning of fossil fuels, along with destruction of rainforests)?

The combustion of fossil fuel now augments the atmospheric carbon dioxide by 0.7 per cent each year.

The combustion of fossil fuel that increases carbon dioxide by 0.7 per cent per year decreases the oxygen by only 0.001 per cent per year (Ehrlich, Ehrlich & Holdren 1977, p. 79).

Poor nations are at present relatively minor contributors to the carbon dioxide generated by burning fossil fuels.

Global emissions of carbon dioxide from the use of fossil fuels are estimated to have to be reduced by 75 to 80 per cent.

Industrialized countries with less than a quarter of the world's population are responsible for about three - quarters of the carbon dioxide released by burning fossil fuels.

But the largest contribution to restoring the carbon balance will be a reduction in world population since every person who lives makes a contribution to the carbon dioxide in the atmosphere by his or her use of the products of industry or by burning wood for fuel.

Fermentation is triggered by lactic acid bacteria — or lactobacilli — and yeasts, which use the carbohydrate fuels from the cereal grains to produce ethanol (alcohol), carbon dioxide, lactic acid and acetic acid.

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.

Within a few years, we could be capturing the carbon dioxide emitted by power plants and recycling it into fuel.

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

The finding suggests that an increase in hurricanes and tropical storms induced by global warming could turn forests into overall emitters of carbon dioxide, fuelling further climate change.

About 2.7 billion years ago, photosynthetic algae in the oceans started making their mark, taking in carbon dioxide as fuel and sending the by - product — oxygen — skyward.

Walter sees the benefits of using methane as an energy source as twofold: «Not only does it prevent a potent greenhouse gas from entering the atmosphere by converting it to weaker greenhouse gases — water vapor and carbon dioxide — but using it on - site would also reduce the demand for other fossil - fuel sources.»

Now a group of researchers led by Steven Kuznicki at the University of Alberta in Edmonton, Canada, and Anthony Ku at General Electric think they can be used to screen out the carbon dioxide produced when processing or burning fossil fuels.

In a modeling study of coal, oil, and natural gas, Zhang and Caldeira compared the warming caused by combustion to the warming caused by the carbon dioxide released by a single instance of burning, such as one lump of coal, and by a power plant that is continuously burning fuel.

By turning crops such as corn, sugarcane and palm oil into biofuels — whether ethanol, biodiesel, or something else — proponents hope to reap the benefits of the carbon soaked up as the plants grow to offset the carbon dioxide (CO2) emitted when the resulting fuel is burned.

Imagine a power plant that takes the excess carbon dioxide (CO2) put in the atmosphere by burning fossil fuels and converts it back into fuel.

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.

The water - gas shift reaction, in which carbon monoxide is removed from the fuel gas stream by reacting with water to produce carbon dioxide and hydrogen, is a key step in the process.

Yet, the government has launched a pilot project to address the problem by capturing and storing the carbon dioxide (CO2) produced by using coal as a fuel for electricity generation at a power plant dubbed GreenGen.

Lacking improvements in fuel efficiency combined with a comprehensive mitigation policy, the report finds that transport emissions could double by 2050 from 6.7 gigatons of emitted carbon dioxide in 2010, which represents 22 percent of the world's total.

Extracting carbon dioxide from power plant exhaust and storing it underground may be the only hope to avoid a climate change catastrophe caused by burning fossil fuels

Global carbon dioxide emissions from burning fossil fuels will rise to a record 36 billion metric tons (39.683 billion tons) this year, a report by 49 researchers from 10 countries said, showing the failure of governments to rein in the main greenhouse gas blamed for global warming.

For this reason methanol fuel cells will be used, where the combination of methanol and oxygen produces water and carbon dioxide as a waste product (note that the carbon footprint in this case is neutral in that the methanol will be produced by photosynthesis, removing CO2 from the atmosphere).

Fossil fuels cost a lot of money and [have] a lot of climate impact; that's something we haven't covered either, but this plan will also reduce carbon dioxide emissions to about a third of what they are now [by] 2050, assuming some level of growth as well.

To illustrate the beauty of Saab's new engine, which reduces fuel consumption and carbon dioxide emissions by 10 percent and slices other emissions by as much as 75 percent, the 41 - year - old engineer describes a lone runner jogging full tilt through a misty forest in his native Sweden.

Produced by the burning of fossil fuels in power plants and car engines, carbon dioxide continues to accumulate in the atmosphere, warming the planet.

Some are calling this new epoch the anthropocene and it is all thanks to our increasing the relatively small amount of carbon dioxide in the atmosphere by burning the vast stores of carbon trapped inside of the fossil fuels that power our modern lives.

This simple and inexpensive new sustainable fuels technology could potentially help limit global warming by removing carbon dioxide from the atmosphere to make fuel.

The CLF argued that adding more fossil fuel generation — even an efficient gas - fired plant — would prevent Massachusetts from cutting its carbon dioxide emissions 80 percent by the year 2050, as state law requires.

Chevrolet Volt, Ford Focus Electric and Toyota Prius Plug - in Hybrid, consumers may want to know just how much they'll be saving in fuel and carbon dioxide emissions by driving an EV in their area.

Engineered plants conserve 25 percent more water by only partially opening their mouth - like stomata, allowing less water to escape through transpiration while carbon dioxide enters the plant to fuel photosynthesis.

For the industrial era, Lovejoy's analysis uses carbon - dioxide from the burning of fossil fuels as a proxy for all man - made climate influences - a simplification justified by the tight relationship between global economic activity and the emission of greenhouse gases and particulate pollution, he says.

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.

An international team of scientists led by Liang - shi Li at Indiana University has achieved a new milestone in the quest to recycle carbon dioxide in Earth's atmosphere into carbon - neutral fuels and others materials.

Like plants on land, phytoplankton produce energy by photosynthesis, pulling carbon dioxide from the atmosphere to fuel the process.

Chemists have long sought an efficient, light - driven catalyst to power this reaction, which could help reduce the growing levels of carbon dioxide in our atmosphere by converting it into methane, a key building block for many types of fuels.

Food production accounts for a third of all greenhouse gas emissions when one tallies those from fossil fuels used in growing, preparing and transporting food; the carbon dioxide released by clearing land for farming and pastures; the methane from rice paddies and ruminant livestock; and the nitrous oxide from fertilizer use.

Those shifts most likely stem from the copious quantities of carbon dioxide spewed by fossil fuel — fired power plants that are changing the climate and, thus, the tiny plants known as phytoplankton that serve as the base of the oceanic food chain.

Critics argue that albedo modification and other «geoengineering» schemes are risky and would discourage nations from trying to reduce their emissions of carbon dioxide, the heat - trapping gas that comes from the burning of fossil fuels and that is causing global warming by absorbing increasing amounts of energy from sunlight.

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).

As atmospheric CO2 levels increase from burning fossil fuels, this carbon dioxide is soaked up by seawater and makes the oceans more acidic.

Global emissions of carbon dioxide from burning fossil fuels are set to rise again in 2013, reaching a record high of 36 billion tonnes — according to new figures from the Global Carbon Project, co-led by researchers from the Tyndall Centre for Climate Change Research at the University of East Anglia.

The uptake of fossil fuel carbon dioxide (CO2) by the ocean increases seawater acidity and causes a decline in carbonate ion concentrations.

Natural gas is by far the cleanest - burning fossil fuel, producing about half as much carbon dioxide as the energy - equivalent amount of coal.

A study commissioned by Iridium found that between the service's proposed start in 2017 and 2030, the technology should save airlines about $ 7 billion on fuel and cut carbon dioxide and nitrogen oxide emissions by 35 million tonnes.