Sentences with phrase «by the carbon dioxide taken»

Making ethanol from corn reduces atmospheric releases of the greenhouse gas carbon dioxide because the CO2 emitted when the ethanol burns is «canceled out» by the carbon dioxide taken in by the next crop of growing plants, which use it in photosynthesis.

Not exact matches

The government has attempted to downplay provisional figures showing carbon dioxide emissions rose by 1.25 per cent last year and instead argued the rise should motivate government, business and individuals to take action on reducing emissions.

Erie County and the New York State Energy Research and Development Authority («NYSERDA») have announced the development of a Climate Action and Sustainability Plan for internal county operations which is expected to save more than $ 700,000 in energy costs and reduce harmful greenhouse gas emissions by approximately 5,300 metric tons of carbon dioxide by 2020, equivalent to taking 925 cars off the road.

Carbon is constantly being recycled throughout the world: It's taken in by plants as carbon dioxide, for example, and is dissolved in the oceans.

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.

A recent report found that high - speed rail in the Midwest would reduce air travel by 1.3 million trips and car travel by 5.1 million trips per year by 2020, saving 188,000 tons of carbon dioxide emissions (equivalent to taking 34,000 cars off the road while still getting everyone to and from work).

Taken together, the research data provides a picture, from the leaf scale to the global scale, suggesting that droughts in the Amazon basin are affecting levels of carbon dioxide in the atmosphere globally, both on a short - term basis though decreasing photosynthesis and on a longer term basis, by increasing tree mortality.

Oceans are taking in about 90 percent of the excess heat created by human greenhouse gas emissions, but they're also absorbing some of the carbon dioxide (CO2) itself.

In fact, it would take 3,600 projects of Sleipner's scale — which is the largest such project underway — to reduce current carbon dioxide emissions from coal by less than half, the report says.

The upgrade — funded by the National Science Foundation — will enable researchers to take core microclimate measurements and precise wind measurements as well as measure carbon dioxide (CO2) differences up through the rainforest's canopy.

«In the end, a failure to plan adequately for climate change by taking the full cost of carbon dioxide emissions into account will prove far more costly,» said Missirian, a fourth - year sustainable development major.

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.

For almost 100 years, Science News has been reporting the latest advances in science, such as this week's cover story by reporter Laurel Hamers, «When bogs burn, the environment takes a hit,» on how the increased frequency of bog fires worldwide is becoming a surprisingly large source of air pollution and climate - warming carbon dioxide.

But the Southern Ocean plays a more benign role in the global carbon budget: Its waters now take up about 50 % of the atmospheric carbon dioxide emitted by human activities, thanks in large part to the so - called «biological pump.»

It may takes tens of thousands of years for oceans to recover from the acidity caused by increased levels of carbon dioxide

Any nitrogen not taken up by plants is met by soil microbes that turn the fertilizer into nitrous oxide, an ozone - depleting gas that is also 300 times more potent than carbon dioxide.

Through reduced tillage in farming — no - till being the prime example — and systems using cover crops and residue, those are major ways agriculture can reduce the emission of greenhouse gases because carbon dioxide is being taken up by the plant materials and stored in the soil.

And will be taken up by the plant and will increase the concentration of carbon dioxide around RuBisCo inside the plant and increase its activity and photosynthetic yields.

Researchers can measure carbon sinks either by tracking carbon dioxide concentrations in the atmosphere or by taking inventory of trees in the forests.

Such a dramatic decline could turn the land from taking up carbon overall to pumping it out by 2100, as the rate of respiration by soil microbes, which exhale carbon dioxide, is predicted to increase in a warmer world.

Taking each factor independently, the team found that CCS only achieves the necessary deployment under one of the following conditions: the price of oil is greater than $ 85 / barrel; the carbon tax incentives increase dramatically to above $ 75 per tonne of carbon dioxide by 2050; or learning rates for technology deployment are sustained at a high rate, with 14 % cost reduction for every doubling of deployment.

In climate change scenarios simulated by the model GOTILWA + — within the Consolider - Ingenio project Montes and the research project Med - Forestream — , net primary productivity of Spanish forests (how much carbon dioxide plants take in during photosynthesis minus how much carbon dioxide they release during respiration) will decrease from the second half of this century.

According to Ingall, removal of iron by diatom - dominated phytoplankton communities may dampen the intended outcome of enhanced carbon uptake through iron fertilization by reducing the productivity of other phytoplankton, which take up carbon dioxide more efficiently.

Europe's renewable energy targets drive demand for wood pellets Other voices in the forestry sector, including Agriculture Secretary Tom Vilsack, said that wood - based energy is renewable because the wood burned is replaced by other trees that take in carbon dioxide, making the process carbon - neutral.

Eco-minded criminals might want to take note: The environmental impact of crime, as measured by carbon dioxide (CO2) emissions, is surprisingly high.

This new research takes away the lower end of climate sensitivity estimates, meaning that global average temperatures will increase by 3 °C to 5 °C with a doubling of carbon dioxide.»

New research by University of Delaware oceanographer Wei - Jun Cai and colleagues at Université Libre de Bruxelles, Texas A&M University - Corpus Christi, University of Hawaii at Manoa and ETH Zurich, now reveals that the water over the continental shelves is shouldering a larger portion of the load, taking up more and more of this atmospheric carbon dioxide.

Nasa's Mars 2020 rover will take a small step towards helping us directly explore the red planet, by studying how to convert its carbon dioxide atmosphere to oxygen.

The work has implications for how ocean modelers determine the overall amounts of carbon dioxide taken up by the oceans, which is typically performed through oxygen - based measurements.

Specifically, the draft report says that «equilibrium climate sensitivity» (ECS)-- eventual warming induced by a doubling of carbon dioxide in the atmosphere, which takes hundreds of years to occur — is «extremely likely» to be above 1 degree Celsius (1.8 degrees Fahrenheit), «likely» to be above 1.5 degrees Celsius (2.4 degrees Fahrenheit) and «very likely» to be below 6 degrees Celsius (10.8 Fahrenheit).

«Without the existence of these proteins that could help phytoplankton cope in these stressful environments, the phytoplankton diversity in many regions of the ocean would be much lower, in particular by reducing large phytoplankton such as diatoms that are known to take up a lot of carbon dioxide, thus possibly accelerating the pace of a warming planet,» said Marchetti, assistant professor of marine science at UNC - Chapel Hill.

By vacuuming carbon dioxide out of the air — something the world may need to do in earnest one day, in order to avoid the worst - case scenarios associated with global warming — the plant has effectively put a cost ceiling on what it would take to de-carbonize any industry in the world.

-- In setting carbon dioxide equivalent values, for purposes of this section or section 711, the Administrator shall take into account publications by the Intergovernmental Panel on Climate Change or a successor organization under the auspices of the United Nations Environmental Programme and the World Meteorological Organization.

For example, by mixing about six metric tons of hydrogen (a surplus of hydrogen could be taken aboard for this reason) with carbon dioxide, a chemical processor could create enough methane and oxygen to propel the vehicle during liftoff and the trip back to Earth.

As a gigantic carbon sink, the ocean has taken up about a third of the carbon dioxide released into the atmosphere by human activities.

What's next: The team will study different techniques to separate carbon - emitting sources by taking soil samples and measuring the fluctuation of carbon dioxide.

The study, published Thursday in the journal Science by a team of by researchers at the University of Utah and Princeton University, shows that the world's forests take an average of between two and four years to return to their normal growth and carbon dioxide absorption rate following a severe drought — a finding that has significant climate implications.

Basically, although the gas is indeed easily absorbed by sea - water, it is the timescales that matter: mixing of shallow and deep oceanic waters takes place over hundreds to thousands of years but sea - water can de-gas parts of its carbon dioxide payload over much, much shorter periods.

About a quarter of the carbon dioxide emitted into the atmosphere is currently taken up by the oceans, where it reacts with seawater and forms carbonic acid.

As a gigantic carbon sink, the ocean has taken up about a third of the carbon dioxide (CO2) released into the atmosphere by human activities.

It's well - known that plants breathe by taking in carbon dioxide and releasing oxygen.

Ammonia is toxic to the body, so enzymes convert it to urea by addition of carbon dioxide in the urea cycle, which takes place in the liver.

«Whilst the aviation industry has made long - term promises to halve carbon dioxide emissions by 2050, consumers are already making much bigger cuts, simply by choosing to take the train.

Now, if there's a single take - away from this summary, it would be that the science on the relationship between fossil fuel combustion, rising atmospheric carbon dioxide, and global warming and climate change was really settled by 1979.

This is followed by the authors» conclusion that while simple models (which consider only carbon chemistry) predict that the ocean will take up 70 - 80 % of the carbon dioxide we emit, the long - equilibrium will quite possibly be considerably higher than those models would suggest — given the changes to ocean circulation.

How much do the emissions of carbon dioxide from a century of industrialization count toward an obligation by today's industrial powers to take the lead in climate action?

(See «Scaling up carbon dioxide capture and storage: From megatons to gigatons,» a 2009 paper by Howard J. Herzog at the Massachusetts Institute of Technology, for just one of many sobering takes on what's needed.)

About half of the current carbon dioxide emissions are taken up by land and ocean carbon sinks.

The study's authors estimate that taking similar steps in the gaming industry would cut the U.S. electricity bill by more than $ 1 billion per year as well as avoid 11 billion kilowatt hours of electricity and avoid seven million tons of carbon dioxide emissions.

Once the first 20 municipalities take advantage of the program and convert to LED street lighting, greenhouse gas emissions are expected to be reduced by more than 42,000 metric tons of carbon dioxide over the next 15 years, equivalent to removing 8,840 cars off the road over this span.