Sentences with phrase «as fossil fuel burning»

Observational evidence suggests that some organic aerosol compounds from fossil fuels are relatively weakly absorbing but do absorb solar radiation at some ultraviolet and visible wavelengths (e.g., Bond et al., 1999; Jacobson, 1999; Bond, 2001) although organic aerosol from high - temperature combustion such as fossil fuel burning (Dubovik et al., 1998; Kirchstetter et al., 2004) appears less absorbing than from low - temperature combustion such as open biomass burning.
Nearly half of the UK population (47 percent) think either that most climate scientists reject the idea that human activities such as fossil fuel burning are the main driver of climate change (11 percent), or that scientists are evenly split on the issue (35 percent).
The Intergovernmental Panel On Climate Change - IPCC - Concludes That Increasing Greenhouse Gas Concentrations Resulting From Human Activity Such As Fossil Fuel Burning And Deforestation Are Responsible For Most Of The Observed Temperature Increase Since The Middle Of The 20th Century Source: Wikipedia
One can imagine that more plant decay, as good as fossil fuel burning (at -24 per mil for coal and oil to -40 per mil for natural gas) will lower the d13C level in the atmosphere.
The C — 13 fraction in atmospheric CO2 is declining as fossil fuel burning continues.
However, from a recent report leading scientists in the world are now convinced that human activities such as fossil fuel burning is another contributing factor causing climate change.
Methane produced by these microbial communities tends to have a lighter isotopic signature than that produced by other means, such as fossil fuel burning.
Each year the world's taxpayers provide an estimated $ 700 billion of subsidies for environmentally destructive activities, such as fossil fuel burning, overpumping aquifers, clearcutting forests, and overfishing.
I would expect to to see a further reduction of O2 as fossil fuel burning increases and the world loses more of its rain - forests.
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
Our activities, such as fossil fuel burning and deforestation, are pushing the cycle out of its natural balance, adding more and more carbon dioxide to the atmosphere.
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).
By adopting these technologies, states can also reduce greenhouse gas (GHG) emissions significantly, as fossil fuels burned for transportation represent the largest share of the region's GHG emissions.
As fossil fuels burn, the acidity of oceans goes up.

Not exact matches

Environmentalists have long scrutinized Exxon Mobil for giving money «to dozens of right - leaning interest groups whose main purpose was to cast doubt on that very science» despite understanding the link between global warming and the burning of fossil fuels as early as the 1970s, according to the New York Times.
While Peabody was only down about 10 % at the end of May 2014, the stock got crushed as the government proposed to reduce carbon emissions (stemming from fossil fuels like coal), which would burn up even more of Peabody's bottom line.
Even though it's considered the dirtiest of fossil fuels and as a result is being burned less in many developed countries, there's no way that it would suddenly stop being used.
Think of it as a homeowner who borrows based on the inflated value of a home: When this «carbon bubble» bursts — for example, when governments finally enact policies to restrict or penalize the burning of carbon — the devaluation of fossil fuel reserves may be even worse than the housing bubble that sent shock waves down Wall Street five years ago.
«While more remains to be done to optimize our electricity system — building transmission lines to carry more clean power to those jurisdictions still burning fossil fuels, investing in smarter grids in our towns and cities, bringing more clean power online — these regulations create a foundation as we transition to clean energy and an economy built to last.»
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)?
Why does the carbon dioxide increase as a result of the burning of fossil fuels, yet the oxygen which is used up in this burning is not significantly depleted?
Renewable energy: Commit to 100 percent renewable power The Climate Collaborative states that about one - third of all the greenhouse gas emissions in the U.S. come from the burning of fossil fuels such as coal and natural gas to produce electricity.
In her first major environmental proposal, Nixon called on New York State to commit to 100 percent renewable energy sources by 2050 — a benchmark that has been something of a Holy Grail for activists concerned about the warming of the planet as a result of the burning of fossil fuels.
Many of the same warnings Mario Cuomo heard in the 1980s about Shoreham are the same ones his son hears today from supporters of Indian Point: Closing a nuclear plant will result in blackouts, a less reliable electric grid and increased air pollution as fossil fuels are burned to replace the lost emissions - free nuclear power; customers could face higher bills; more than 1,000 jobs will be lost, and tax revenue for schools and towns will dissipate.
Fossil fuels are also an increasing risky investment as governments worldwide finally begin to admit we have to stop burning them.
We think we can do a much cleaner alternative, and if the governor is serious about moving away from burning fossil fuels that he should be using the Empire State Plaza as a model.»
Using historical data, they included carbon dioxide from burning fossil fuels and changes in land use — such as deforestation.
Our job is to enable that,» says Ramamoorthy Ramesh, director of DoE's SunShot Initiative, a bid to make solar power as cheap as electricity from burning fossil fuels.
The Earth relies on its vegetative cover to extract and hold onto carbon dioxide when a great deal of it finds its way into the atmosphere, as has happened with the burning of fossil fuels.
In addition, he said existing customers, such as a newly built Sheridan Hotel, have a bonus message to share with their customers: «When you come to Georgetown, you're not burning fossil fuels when you turn on the lights.»
But Jones is not sure if Manley did as well at capturing slower changes, of a few tenths of a degree over decades, which is important for detecting the onset of warming due to the burning of fossil fuels.
Most studies have concluded that sea animals with calcified shells or skeletons, such as starfish, will suffer as carbon dioxide from burning fossil fuels dissolves in the sea, making the water more acidic and destroying the calcium carbonate on which the creatures depend.
«As long as fossil fuels are the cheapest fuel we will burn them and not solve the problem.&raquAs long as fossil fuels are the cheapest fuel we will burn them and not solve the problem.&raquas fossil fuels are the cheapest fuel we will burn them and not solve the problem.»
And giving a helping hand to all these other crises as a result of all the fossil fuel burning needed to power our lives and lift billions out of poverty: anthropogenic climate change.
Some greenhouse gases occur naturally in the atmosphere, while others result from human activities such as burning of fossil fuels such as coal.
Natural gas, which now supplies 25 percent of the nation's electricity, is the cleanest - burning fossil fuel, producing about half as much carbon per watt of power as coal.
This relates to the whole area of development for people talking about biofuels, which is this idea of trying to develop replacements for the conventional sorts of fossil fuels that we have to at least — if we are going to be burning some sort of hydrocarbons of some kind — to try to get them [so] that they are being derived from a different source, and potentially or ideally, ones that would actually burn without delivering as much carbon dioxide into the atmosphere too; that's great if you can get that.
In fact, nukes and climate change are closely linked given that some see nuclear energy as one way to reduce emissions from burning fossil fuels.
As humanity burned fossil fuels such as coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperaturAs humanity burned fossil fuels such as coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperaturas coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperature.
CO2 is formed when any kind of organic material or fossil fuel, such as natural gas, petroleum, coal or gasoline, is burned.
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).
When fossil fuels such as gasoline are burned, the chains of carbon that make them up are broken and carbon dioxide is released into the environment.
After all, once operating, nuclear power plants burn nothing and therefore emit no carbon dioxide as fossil fuelburning power plants do.
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.
Black carbon aerosols — particles of carbon that rise into the atmosphere when biomass, agricultural waste, and fossil fuels are burned in an incomplete way — are important for understanding climate change, as they absorb sunlight, leading to higher atmospheric temperatures, and can also coat Arctic snow with a darker layer, reducing its reflectivity and leading to increased melting.
A problem is that markets for trading carbon dioxide focus on cuts in emissions at power plants and factories burning fossil fuels, not renewable energies which are viewed as green.
And they want the companies to pay for measures such as sea walls to cope with rising sea levels they blame on carbon emissions from burning fossil fuels.
As well as releasing greenhouse gases that warm the planet, burning fossil fuels gives off large quantities of polluting chemicalAs well as releasing greenhouse gases that warm the planet, burning fossil fuels gives off large quantities of polluting chemicalas releasing greenhouse gases that warm the planet, burning fossil fuels gives off large quantities of polluting chemicals.
Keasling's method feeds agricultural waste such as cornstalks and wheat straw to E. coli bacteria engineered to break down the sugars and produce biologically synthesized hydrocarbons that burn and function just like those in fossil fuels.
For example, a tax on fossil fuel burned would spur investment in cleaner energy technologies, such as renewables or nuclear power.
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