Sentences with phrase «significant amount of carbon»

The result is not just a relatively balanced source of food for a family, but also a significant amount of carbon - rich biomass that is returned right back the soil in the form of compost.

With Rob being in the UK, had he travelled to the conference this trip would have involved a significant amount of carbon emissions and squandered fuel, something that the Transition Town folks do not take lightly.

The oceans absorb a significant amount of the carbon that enters the atmosphere, creating carbonic acid that makes it hard for marine life to survive and threatens the entire oceanic food chain.

According to the paper, the results of the radiocarbon data confirm that microbial respiration of «old» carbon (carbon prior to nuclear tests in the 40s and 50s) has the potential to emit a significant amount of carbon into the atmosphere.

«We are skeptical that a significant amount of carbon would ever be sequestered in this manner, and don't believe this is where scarce public research dollars devoted to energy should be spent.

The mid-engine Ford GT features a 3.5 - liter twin - turbo EcoBoost V - 6 that's good for more than 600 horsepower, and it also offers a significant amount of carbon fiber in its structure, along with a seven - speed dual - clutch automatic transmission.

The body has a significant amount of carbon fiber.

The race - inspired bucket seat for the driver is lowered by 30 mm and uses significant amount of carbon - fiber on the gear knob and center console.

Currently, the 2014 Chevrolet Corvette Stingray is the only GM vehicle to use a significant amount of carbon fiber in its construction.

A significant amount of carbon ended up on the seafloor.

The trees also capture a significant amount of carbon dioxide, helping the farm to reduce its carbon footprint.

Young trees don't actually start to sequester significant amounts of carbon dioxidefor 20 years, he says, and it takes a tree 100 years to remove a measly 3,000 pounds of carbon dioxide from the atmosphere — assuming the tree survives drought, fire, flood, disease, and other afflictions.

That running waters emit significant amounts of carbon dioxide is already known.

In a statement published after the experiment was completed, the Alfred Wegener Institute, where Smetacek works, said the results «dampened hopes on the potential of the Southern Ocean to sequester significant amounts of carbon dioxide and thus mitigate global warming.»

The research, published in Nature Geoscience, suggests that lava associated with lunar fire fountains contained significant amounts of carbon.

He found that even in places where burning coal was so deep in the ground that there was no visual evidence on the surface, there were still significant amounts of carbon dioxide rising up.

«Taking significant amounts of carbon out of our economy without harming its vibrancy is exactly the sort of challenge at which California excels,» Brown said.

They also found that significant amounts of carbon monoxide and silicon monoxide have formed.

A more sound approach would recognize that (1) converting old forest to young forests releases significant amounts of carbon (both above and below ground), (2) young forests are only good carbon sinks if they are allowed to grow and hold onto the carbon for centuries, yet there are too few economic incentives for doing so, and (2) the fraction of carbon that is put into long - term storage after logging is very small, i.e. old forests are better at storing carbon than our disposable culture.

Hugely significant amounts of carbon emissions cut, and Kyoto targets within reach?

A more sound approach would recognize that (1) converting old forest to young forests releases significant amounts of carbon (both above and below ground), (2) young forests are only good carbon sinks if they are allowed to grow and hold onto the carbon for centuries, yet there are too few economic incentives for doing so, and (2) the fraction of carbon that is put into long - term storage after logging is very small, i.e. old forests are better at storing carbon than our disposable culture.

«But it has dampened hopes on the potential of the Southern Ocean to sequester significant amounts of carbon dioxide (CO2) and thus mitigate global warming.»

With thawing permafrost projected to release significant amounts of carbon in response to climate change, one of the editors of JGR: Biogeosciences reflects on the slew of recent papers in this field.

«While the Paris Agreement does not address the issue of climate engineering expressly, the target of limiting global average temperature rise to no more than 2 °C (a goal that appears unlikely to be achieved in the absence of significant amounts of carbon removal) raises questions with respect to how the issue of carbon dioxide removal (CDR) and solar radiation management (SRM) technologies may be addressed under the Paris Agreement.

But during the longer - lasting ones like the Mongol invasion there was enough time for the forests to re-grow and absorb significant amounts of carbon.

The fact that organic agriculture systems also absorb and retain significant amounts of carbon in the soil has implications for global warming, Pimentel said, pointing out that soil carbon in the organic systems increased by 15 to 28 percent, the equivalent of taking about 3,500 pounds of carbon dioxide per hectare out of the air.

However, the data also showed that significant amounts of carbon dioxide were being absorbed by the waters near the ocean surface.

We therefore do not expect to see significant amounts of carbon leakage.

With warming greater than 2 °C, there is a high risk of abrupt and irreversible changes to ecosystems such as forests, which would lead to «substantial additional climate change» considering that trees sequester significant amounts of carbon dioxide.

As if rising sea levels aren't enough to worry about, U.S. Geological Survey scientists say melting glaciers may also adding significant amounts of carbon to the oceans, where it's readily available to microscopic organisms at the base of the food chain.

Hydroelectric dams produce significant amounts of carbon dioxide and methane, and in some cases produce more of these greenhouse gases than power plants running on fossil fuels.

If Arctic areas continue to warm, scientists speculate that thawing Arctic soils may release significant amounts of carbon dioxide and methane currently trapped in permafrost.

One problem is that producing oil from shale or oil sands generates significant amounts of carbon dioxide — but a lot of that carbon dioxide comes from producing the hydrogen needed to process the raw materials.

After making headlines last year for pledging to invest $ 3 billion in renewable energy technologies, he's upped the ante on curbing climate change by offering a $ 25 million prize to whoever comes up with the best way of removing significant amounts of carbon dioxide from the atmosphere.

Although older trees store significant amounts of carbon, these trees do not continue to sequester at the rates they did when they were younger.

Not exact matches

With Arctic temperatures warming twice as fast as the global average, scientists estimate thawing permafrost could release large amounts of carbon into the atmosphere through the end of the century with significant climate impacts.

A new University of Colorado Boulder study comparing dissolved black carbon deposition on ice and snow in ecosystems around the world (including Antarctica, the Arctic, and alpine regions of the Himalayas, Rockies, Andes, and Alps) shows that while concentrations vary widely, significant amounts can persist in both pristine and non-pristine areas of snow.

Curiously, the decline in atmospheric oxygen over the past 800,000 years was not accompanied by any significant increase in the average amount of carbon dioxide in the atmosphere, though carbon dioxide concentrations do vary over individual ice age cycles.

The carbon deposits show that something caused a significant uptick in the amount of carbon - containing gases — carbon dioxide or methane — produced at the time of the mass extinction.

«A significant amount of black carbon» So researchers have counted the biochar locked in the soil — where it enhances fertility — as carbon out of circulation for millions of years.

That significant amounts come from respiratory processes means that the decomposition of terrestrial organic carbon in running waters may be higher than previously thought.

The size of the stumps and roots is the most significant factor for determining impact on forest carbon balance, while the impact on biodiversity depends on the amount of sturdy stump wood aboveground.

The team found a significant amount of variation in the way that different tree species responded to things like light, heat, carbon dioxide concentration and humidity.

The UN expects China to account for 41 % of all carbon credits issued by 2012, but a recent paper in Nature suggests that a loophole in the system has allowed investors to get rich without cutting significant amounts of emissions.

Many products, such as tires, contain significant amounts of nanoparticulate carbon black.

Stainless steel contains iron, chromium, manganese, silicon, carbon and, in many cases, significant amounts of nickel and molybdenum.

Changes in permafrost could cause significant impacts — for example, by causing erosion that damages buildings, roads, or other infrastructure, by causing shifts in ecosystems, and by contributing large amounts of carbon to the atmosphere.

Why It Matters: The traditional view of the mineralization process involves some very slow chemical reactions between carbonic acid and the host reservoir rock that take centuries or even millennia to convert a significant amount of injected carbon dioxide into carbonates.

However, overlapping bands in the lower troposphere where water vapor dominates will keep carbon dioxide from absorbing any significant amount of radiation — in the lower troposphere itself.

Mangroves, tidal salt marshes, and seagrasses sequester and store significant amounts of coastal blue carbon from the atmosphere and ocean and are now recognized for their role in mitigating climate change.