Sentences with phrase «fossil fuel burning at»

That means the atmosphere in 2100 would hold an extra 4 1/2 years» worth of carbon dioxide emissions from fossil fuel burning at current rates, the researchers report in the Sept. 23 Science.

That means the atmosphere in 2100 would hold an extra 4 1/2 years» worth of carbon dioxide emissions from fossil fuel burning at current rates,...

Not exact matches

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.

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

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).

However, at least two of the state's nuclear reactors are in danger of closing within the next few years and would significantly increase air pollution because they would be replaced by fossil - fuel burning power plants in the near future.

Indeed, four conventional power plants burning fossil fuels are due to come online in the Hudson Valley, at least two of which are possibly being lured by the promise of higher profits due to the Zone configuration.

For 50 years we manage to keep the planet at its current temperature, sea levels stabilize, endangered species rebuild, and all this while we're still burning fossil fuels at a leisurely pace.

In an upcoming paper, Max Bothwell, a scientist at Environment Canada, proposed that climate change is one of four factors — along with atmospheric deposition of nitrogen from fossil fuel burning — boosting the blooms.

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.

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.

And burning fossil fuels at the same increasing rates through 2050 would drive those levels to their highest point in 50 million years, according to an April study in Nature Communications.

What we see is that if we continue in our current trends in burning fossil fuels, the ocean will become more acidic than it has been at any time in the past 65 million years.

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.

Also, while electrolysis uses a renewable feedstock (water), burning fossil fuels at a power plant to run an electrolysis machine undermines the fuel's low - carbon attributes.

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.

Since the Industrial Revolution, fossil fuel burning has released sulfate and nitrate ions — both acid rain precursors — into the atmosphere at unprecedented levels.

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.

Yet I have done some calculations that I think can answer those questions now: If the world keeps burning fossil fuels at the current rate, it will cross a threshold into environmental ruin by 2036.

And ozone, which forms a beneficial shield against ultraviolet radiation when high in the stratosphere, is an efficient greenhouse gas when it appears at airliner altitudes — as it increasingly does, since it too is a by - product of fossil fuel burning.

Yet if greenhouse - gas emissions from burning fossil fuels are not reduced at all, in a business - as - usual scenario, water management will clearly not suffice to outweigh the negative climate effects.

In fact, cadmium telluride solar cells are currently the most ecofriendly devices, even though they use a toxic heavy metal, primarily because they require the least energy — typically provided by burning fossil fuels — to manufacture, says environmental engineer Vasilis Fthenakis, senior scientist at Brookhaven National Laboratory's National Photovoltaic Environment Research Center in Upton, N.Y., and Columbia University.

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.

Michael Mann, Distinguished Professor and Director of the Earth System Science Center at Penn State University, who was not a co-author of the paper, commented: «We can not separate the issues of population growth, resource consumption, the burning of fossil fuels, and climate risk.

That's a huge reservoir, even compared to the rate at which humans are now burning fossil fuels.

Now, locked in limestone that was formed in shallow seawater offshore of the supercontinent Pangaea, scientists have found an isotopic signal to support a sharp drop in pH. The catastrophe holds a cautionary lesson: Due to the burning of fossil fuels, today's oceans are acidifying at an even faster rate than they were at the time of the extinctions, although it hasn't yet persisted nearly as long.

Fossil fuel burning, deforestation and farming have increased temperatures by nearly 2 °F during the past two centuries and caused ice to melt into the seas, causing them to rise at a quickening pace.

There is hope, however, as CO2 from burning fossil fuels and other human activities appears to have leveled off in 2015 at roughly 40 billion metric tons of CO2 liberated into the atmosphere.

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.

«The atmospheric and oceanic CO2 increase is being driven by the burning of fossil fuels,» says Pieter Tans, a senior scientist at the National Oceanic and Atmospheric Administration's Earth System Research Laboratory, who leads the U.S. government effort to monitor global greenhouse gas levels.

In some ways, energy regulations to curtail fossil fuel burning may be an easier sell in developing countries than in the United States, said Rachel Cleetus, senior economist with the Climate and Energy Program at the Union of Concerned Scientists.

http://www.whrc.org/carbon/missingc.htm It is also worth noting that zeroing out CO2 emissions requires not only cessation of fossil fuel burning it also requires cessation of changes in land use which I believe account for about 20 % of CO2 emissions (at least that's my reading of the Woods Hole page).

The increase started around 1800, when we started burning fossil fuels (mostly coal to start) in a big way at the start of the Industrial Revolution.

As a long as we keep burning fossil fuels at current rates, the concentrations will keep rising like this,» Ralph Keeling, the scientists in charge of the Mauna Loa monitoring project, told Climate Central earlier this month.

«Bringing down carbon emissions means retiring more fossil fuel - burning facilities than we build,» Steven Davis, an assistant professor of Earth system science at UC Irvine and the study's lead author, said in a statement.

You can, of course, argue that other factors were at work in the early 20th century warming phase, but if you want to argue that the mid-century cooling was largely due to the neutralizing effect of industrial aerosol pollutants, then you can not, as did Rodgers, claim that any part of that earlier warmup was due to the burning of fossil fuels.

In the case of climate change, a clear consensus exists among mainstream researchers that human influences on climate are already detectable, and that potentially far more substantial changes are likely to take place in the future if we continue to burn fossil fuels at current rates.

To answer this we need to look at where the increases in fossil fuel burning actually came from.

Or at the very least the accountants at Exxon Mobil must have put more than a lump of coal in the stocking hanging over Tierney's fossil fuel - burning fireplace.

One article I was recently reading stated that hemp seed oil produces a cleaner buring fuel (nearly 90 % burn, with considerably less ash and CO2 production) than any fossil fuel (33 % burn at the most efficient)

One article I was recently reading stated that hemp seed oil produces a cleaner buring fuel (nearly 90 % burn, with considerably less ash and CO2 production) than any fossil fuel (33 % burn at the most efficient) and was actually banned because the oil industry (and the rope industry, as hemp weave made a stronger and less expensive rope than current materials) decided to push their congresscritters to close it down because hemp could make Marijuana.

Perhaps no surplus carbon sink exists at all to absorb the emissions caused by burning of fossil fuels accumulated in the earth over millions of years.

Extrapolating from their forest study, the researchers estimate that over this century the warming induced from global soil loss, at the rate they monitored, will be «equivalent to the past two decades of carbon emissions from fossil fuel burning and is comparable in magnitude to the cumulative carbon losses to the atmosphere due to human - driven land use change during the past two centuries.»

Since the industrial revolution, we have been burning fossil fuels and clearing and burning forested land at an unprecedented rate, and these processes convert organic carbon into CO2.»

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.

Well, given humankind's renewed eagerness to burn fossil fuels and their long lifetime in the atmosphere, even a climate sensitivity below the low end estimate (which no one believes) or at the low end (which is highly unlikely) can still be overwhelmed by CO2 emissions going forward.

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

At least that way you can convince smokers that cigarettes do not cause cancer rather than trying to convince NY Times readers that burning fossil fuels has no impact on Earth's climate.

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.

Humans have been burning fossil fuels for only about 150 years, yet that has started a cascade of profound changes that at their current pace will still be felt 10,000 years from now.