Sentences with phrase «dioxide next century»

Not exact matches

A doubling of the concentration of carbon dioxide over its pre-industrial level may occur by the middle of the next century.

Ocean acidification, which is a direct consequence of increased atmospheric carbon dioxide levels, is expected to have a deleterious effect on many marine species over the next century.

This implies that future stratospheric cooling, induced by an increase in the anthropogenic carbon dioxide burden, is likely to enhance denitrification and to delay until late in the next century the return of Arctic stratospheric ozone to preindustrial values.

A new study published in Nature Climate Change looks at the next 10,000 years, and finds that the catastrophic impact of another three centuries of carbon pollution will persist millennia after the carbon dioxide releases cease.

Whereas most studies look to the last 150 years of instrumental data and compare it to projections for the next few centuries, we looked back 20,000 years using recently collected carbon dioxide, global temperature and sea level data spanning the last ice age.

«Our idea was that this did not encapsulate the entire effect of adding one to five trillion tons of carbon dioxide to the atmosphere over the next three centuries.

The draft report says that a doubling of the preindustrial concentration of carbon dioxide in the atmosphere is likely to reduce global GDP by between 1 and 3 per cent by the middle of the next century.

During the PETM, atmospheric carbon dioxide more than doubled and global temperatures rose by 5 degrees Celsius, an increase that is comparable with the change that may occur by later next century on modern Earth.

After the Geneva meeting, he claimed that Pearce's work shows that a doubling of carbon dioxide levels in the atmosphere by the middle of the next century would cause damage from climate change valued at between 1.5 and 2 per cent of «gross world product».

Increased levels of atmospheric carbon dioxide could also significantly alter ocean temperatures and chemistry over the next century, which could lead to increased and more severe mass bleaching and other stressors on coral reefs.

If present rates of fossil - fuel consumption continue, the doubling of carbon dioxide from fossil fuels will occur sometime within the next century or two.

The buildup of long - lived carbon dioxide in the atmosphere, likely peaking in the next few decades, will be affecting climate and coastlines for many centuries to come.

Sometime in the middle of the next century, the amount of carbon dioxide in the air is expected to double from pre-industrial times.

WASHINGTON — Choices made now about carbon dioxide emissions reductions will affect climate change impacts experienced not just over the next few decades but also in coming centuries and millennia, says a new report from the National Research Council.

July 16, 2010 — Choices made now about carbon dioxide emissions reductions will affect climate change impacts experienced not just over the next few decades but also in coming centuries and millennia, says a new report from the National Research Council.

The report also highlights the fact that carbon dioxide concentration has increased since the beginning of the industrial revolution from about 290 parts per million to about 340 today (1981) and that it is expected to double over the next century.

Agricultural productivity will rise for the next two centuries or so, along with the atmospheric carbon dioxide level, after which it will fall away.

America's WETLAND Foundation Restore - Adapt - Mitigate: Responding To Climate Change Through Coastal Habitat Restoration PDF Coastal habitats are being subjected to a range of stresses from climate change; many of these stresses are predicted to increase over the next century The most significant effects are likely to be from sea - level rise, increased storm and wave intensity, temperature increases, carbon dioxide concentration increases, and changes in precipitation that will alter freshwater delivery.....

Some projections show carbon dioxide levels rising as high as 600 or even 900 parts per million in the next century if no action is taken to reduce carbon dioxide, Tripati said.

The Tennessee Valley Authority's Gallatin Fossil Plant, near Nashville, is set for a $ 1.1 billion environmental upgrade, a suite of sulfur dioxide scrubbing and ozone - busting equipment that operators hope will enable it to produce power through the next century.

Preventing carbon dioxide levels from rising to potentially dangerous levels could cost less far less than originally projected — less 1 percent of gross world product as of 2050 — but a major shift in the way energy is found, transformed, transported and used will be necessary to prevent a severe energy crisis within the next century, say researchers from the The Earth Institute.

The article ends: «We shall be able to test the carbon dioxide theory against other theories of climatic change quite conclusively during the next half - century... if carbon dioxide is the most important factor, long - term temperature records will rise continuously as long as man consumes the earth's reserves of fossil fuels».

It is not widely understood that carbon dioxide persists in the atmosphere for centuries, so our future will depend on the total amount we humans put there over the next several decades.

This involves growing enough plant material in the next 50 years to more than completely make up for all the arbon dioxide lost through deforestation and land use change over the past few centuries, which is really remarkably ambitious, especially if people are still going to have some space to grow food.

Then, perhaps in the early years of the next century, the climate could warm up a little as a result of human activity, especially the greater amount of carbon dioxide that will be released from the burning of fossil fuels.

Global warming due to humanity's emissions of carbon dioxide, he wrote, was likely to «gain the upper hand in the next century unless stronger controls are instituted than any that are believed to be contemplated...» (p. 677).

Recent research finds that methane release from thawing permafrost may outpace carbon dioxide as a major contributor to global warming over the next century.

«Scientific and economic challenges still exist,» writes Harvard geoscientist Daniel Schrag, «but none are serious enough to suggest that carbon capture and storage will not work at the scale required to offset trillions of tons of carbon dioxide emissions over the next century.»

«Choices made now about carbon dioxide emissions reductions will affect climate change impacts experienced not just over the next few decades but also in coming centuries and millennia... Because CO2 in the atmosphere is long lived, it can effectively lock the Earth and future generations into a range of impacts, some of which could become very severe.»

By protecting existing forests and planting new ones, countries could offset 10 to 20 percent of the expected carbon dioxide build up during the next century.

Once emitted, a single molecule of carbon dioxide can remain aloft for hundreds of years, which means that the effects of today's industrial activities will be felt for the next several centuries, if not thousands of years.

«To deal with the increased carbon dioxide emissions we face over the next half century, you would have to cover Europe - from the Atlantic to the Urals - completely with trees.

The «A1B» scenario assumes that 50 % of energy over the next century will come from fossil fuels, resulting in atmospheric carbon dioxide concentrations causing drastic climatic consequences.

In this paper, Broecker correctly predicted «that the present cooling trend will, within a decade or so, give way to a pronounced warming induced by carbon dioxide», and that «by early in the next century [carbon dioxide] will have driven the mean planetary temperature beyond the limits experienced during the last 1000 years».

CO2e is derived by first determining how many times worse than carbon dioxide a given greenhouse gas is over the next century, and using that as a multiplier.