Sentences with phrase «increased plant carbon»

Not exact matches

Alberta is boosting its use of renewable energy, closing power plants that burn coal and in January increased its tax on carbon emissions by 50 percent.
The plant is able to produce high - quality sustainable coffee with an increased capsule collection recycling capacity and reduced carbon emissions.
Organic farming puts carbon back into soils by keeping them covered with plants, increasing crop diversity, composting and carefully planned grazing.
Smith et al. (1997) calculated a considerable potential increase of soil carbon when manure, straw - recycling, minimal tillage, reforestation and energy - saving plant production are combined.
State officials argued that nuclear plant closures would prompt an increase in fossil fuel generation, in conflict with Cuomo's goal to reduce carbon emmissions 40 percent by 2030.
The other side of the «green» argument against nuclear power is the fear by some climate scientists that carbon emissions in New York could increase by more than 31 million metric tons during the next two years, if a number of nuclear power plants close.
My work is also directed toward determining why plants exposed to elevated carbon dioxide concentrations often have only a temporary increase in growth rate, and toward determining what plant characteristics might be most beneficial to the productivity and to the nutritional value of crops if atmospheric carbon dioxide concentrations continue to rise.
The simulations suggested that the indirect effects of increased CO2 on net primary productivity (how much carbon dioxide vegetation takes in during photosynthesis minus how much carbon dioxide the plants release during respiration) are large and variable, ranging from less than 10 per cent to more than 100 per cent of the size of direct effects.
The researchers believe the greening is a response to higher atmospheric carbon dioxide inducing decreases in plant stomatal conductance — the measure of the rate of passage of carbon dioxide entering, or water vapor exiting, through the stomata of a leaf — and increases in soil water, thus enhancing vegetation growth.
As plants in and around the lake grow larger and / or proliferate, the amount of organic carbon available when they die and the rate at which they break down in soil increases.
With more wind power, new nuclear plants, carbon capture and storage, and increased efficiency, electricity industry group says significant greenhouse gas reductions possible
«A higher concentration of carbon dioxide in our atmosphere would aid photosynthesis, which in turn contributes to increased plant growth,» Rep. Lamar Smith (R — Texas) wrote in an op - ed last year.
Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the world.
Desalination plants could help provide water in large population centers, but they also increase carbon pollution, Davies said.
«We can increase carbon sequestering and nitrogen fixation, or give Azolla's properties to other plants.
According to Princeton University scientists Stephen Pacala and Robert Socolow's «wedge» strategy of climate change mitigation — which quantifies as a wedge on a time series graph various sets of efforts to maintain flat global carbon emissions between now and 2055 — at least two million megawatts of new renewable energy will have to be built in the next 40 years, effectively replacing completely all existing coal - fired power plants as well as accounting for increases in energy use between now and mid-century.
A new long - term field study shows that plants grow less under elevated carbon conditions owing to limitations in soil nutrients — bad news as atmospheric CO2 increases
(The admirable original bill is designed to increase fuel efficiency in cars and light trucks, encourage production of biofuels, and provide funds to develop technology that will capture carbon dioxide emissions from power plants.)
The climate is warming in the arctic at twice the rate of the rest of the globe creating a longer growing season and increased plant growth, which captures atmospheric carbon, and thawing permafrost, which releases carbon into the atmosphere.
In the past, some people have argued that the increase in carbon dioxide (CO2) in the air would be partially offset by an increase in plant growth, caused by that additional (CO2): increased CO2 concentrations in the atmosphere should work like extra fertilizer and lead to increased plant growth.
«The increased carbon dioxide emissions from the nine government - approved plants alone will more than cancel out all of the reductions in greenhouse gas emissions from China's recent investments in wind and solar electricity,» Yang said.
For many crops more carbon dioxide means a rise in the rate of photosynthesis and, therefore, in growth; and with increased carbon dioxide some plants» use of water is more efficient, according to studies done in conventional glass greenhouses.
The increased production in these crops is driven by higher precipitation predicted to occur in the central U.S., combined with higher concentrations of carbon dioxide, which reduces a plant's water requirements.
However, carbon dioxide fertilization isn't the only cause of increased plant growth — nitrogen, land cover change and climate change by way of global temperature, precipitation and sunlight changes all contribute to the greening effect.
One possible measure against steadily increasing greenhouse gases is known as CCS (carbon capture and storage): Here, the carbon dioxide is captured, preferably directly at the power plant, and subsequently stored deep in the ground or beneath the seabed.
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.
The researchers have predicted that increasing smog would prevent as much as 263 billion metric tons of carbon from being taken out of the atmosphere by plants over the past and coming century, though this depends on how tropical plants respond to O3 pollution.
But if you only burn what you grow there's no net increase in atmospheric CO2, because the carbon contained in the plants you burn came out of the atmosphere.
Doubling of the carbon dioxide concentration will cause global plant photosynthesis to increase by about one third, according to a paper published in the journal Nature.
Although plant activity can increase with warmer temperatures and higher carbon dioxideconcentrations, the change in carbon dioxide amplitude over the last 50 years is larger than expected from these effects.
It is widely accepted that plant photosynthesis will increase with carbon dioxide, so long as nutrients, such as nitrogen and phosphorus, are not limiting.
The achievement will allow researchers to conduct further studies to determine how the hormone helps plants respond to drought and other environmental stresses driven by the continuing increase in the atmosphere's carbon dioxide, or CO2, concentration.
Then, the volume flow in the plant can be doubled, utilization of carbon from biomass will increase to nearly 100 %, and a large amount of usable waste heat will be produced by the catalyst (PtG operation).
Because plants take up CO2 during photosynthesis, it has long been assumed that they will provide a large carbon «sink» to help offset increases in atmospheric CO2 caused by the burning of fossil fuels.
High temperatures increase weathering of silicate rocks, and this sucks carbon dioxide out of the atmosphere and into the oceans — a process aided by plants.
But it would have been nice to hear the authors» thoughts on recent Japanese proposals to attempt to bioengineer even more productive living coral reefs and plant them in the Pacific to increase the power of the oceans to absorb carbon.
By boosting plant growth, compost helps to increase soil carbon storage.
This material has been tested as a fertilizer and has proven to stimulate the growth of several plant species, both forestry and herbaceous, increasing up to the 10 % its total content of nitrogen and carbon as well as an increase of its roots.
Reduced nitrogen content in atmospheres with raised carbon dioxide has previously been attributed to a kind of dilutive effect, in which nitrogen absorption fails to keep pace with the increase in plants» photosynthesis and growth.
Perennial Grass According to an ongoing study in Australia, planting ranch lands with grasses that remain alive year - round also increases the amount of carbon trapped in the land.
«Increased carbon dioxide levels in air restrict plants» ability to absorb nutrients.»
Similarly, carbon and resulting sugars channeled to stems and leaves increases their mass and creates more plant biomass, a bioenergy feedstock.
«This study addresses this knowledge gap by showing that warming increased plant biomass, but also redistributes carbon into the soil resulting in no change in soil [carbon] stocks.»
Hawkesford and his colleagues have added extra copies of an enzyme called SBPase, to increase the supply of a five - carbon molecule that often runs short in plants such as wheat.
This redistribution of soil carbon storage raises questions of whether the balance provided by larger plants will stand in the long term or whether the more active microbes detected in the deeper soils will eventually offset the increased carbon in those deeper soils.
Scientists measured how much carbon dioxide the artificially warmed plants respired — released into the air via their leaves — and learned that over time, the trees acclimated to warmer temperatures and increased their carbon emissions less than expected.
«The question with Arctic warming is whether the increase in plant growth is going to outpace the release of carbon dioxide because of increasing decomposition,» Sistla said.
$ 8 billion) over first ten years for deficit reductionObeys PAYGO; Starting in 2026, 25 % of auction revenues for deficit reductionFuels and TransportationIncrease biofuels to 60 million gallons by 2030, low - carbon fuel standard of 10 % by 2010, 1 million plug» in hybrid cars by 2025, raise fuel economy standards, smart growth funding, end oil subsidies, promote natural gas drilling, enhanced oil recoverySmart growth funding, plug - in hybrids, raise fuel economy standards $ 7 billion a year for smart growth funding, plug - in hybrids, natural gas vehicles, raise fuel economy standards; offshore drilling with revenue sharing and oil spill veto, natural gas fracking disclosureCost ContainmentInternational offsetsOffset pool, banking and borrowing flexibility, soft price collar using permit reserve auction at $ 28 per ton going to 60 % above three - year - average market price» Hard» price collar between $ 12 and $ 25 per ton, floor increases at 3 % + CPI, ceiling at 5 % + CPI, plus permit reserve auction, offsets like W - MClean Air Act And StatesNot discussedOnly polluters above 25,000 tons of carbon dioxide equivalent a year, regional cap and trade suspended until 2017, EPA to set stationary source performance standards in 2016, some Clean Air Act provisions excludedOnly polluters above 25,000 tons of carbon dioxide equivalent a year, regional cap and trade pre-empted, establishes coal - fired plant performance standards, some Clean Air Act provisions excludedInternational CompetitivenessTax incentives for domestic auto industryFree allowances for trade - exposed industries, 2020 carbon tariff on importsCarbon tariff on importsReferences: Barack Obama, 2007; Barack Obama, 8/3/08; Pew Center, 6/26/09; leaked drafts of American Power Act, 5/11/10.
For example, he said, most participants recognized that carbon dioxide increases global temperatures, yet mistakenly indicated that rising levels of atmospheric CO2 are expected to «reduce photosynthesis in plants
This is due in part to the fact that other conditions (e.g. availability of nutrients such as Nitrogen and Phosphorus) appear to quickly become limiting, even when carbon availability is removed as a constraint on plant growth when ambient CO2 concentrations are sufficiently increased.
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