Sentences with phrase «impact on carbon dioxide»

However, the complete equations (9) and (13), unlike Murry Salby's equation (11), show that anthropogenic emissions have an impact on the carbon dioxide mixing ratio.

Even a small increase in soil carbon could have a big impact on carbon dioxide pollution levels, particularly in rangelands, which span a quarter of the earth's land surface and store about a third of all terrestrial soil carbon.

Since the ESA forbids the Federal Government from funding any activities which might harm a listed species, why not sue to prevent the ridiculous Federal subsidies on Ethanol, on the grounds that the production, distribution, and use of ethanol have a net negative impact on carbon dioxide emissions when compared with petroleum products, thus accelerating global warming and further endangering the polar bears.

«We wanted to check if humans had an impact on carbon dioxide by increasing it by deforestation, but also by decreasing it,» Pongratz told LiveScience.

Pre-European human populations of the Amazon Basin may have affected our understanding of the forest's structure and composition, and thus our calculations of its impact on carbon dioxide remediation.

Not exact matches

Even if the ambitious targets of the world's biggest economies are met, and internal combustion engines give way to electric or other zero - emission vehicles by 2040, the total impact on global carbon dioxide emissions will be minimal, according to a new study released Tuesday.

The government will launch its own carbon dioxide calculator later this year to help individuals understand their impact on the environment.

A dearth of research According to Chris Harley, a marine ecologist at UBC who was not involved in the study, it has only been in the last five to 10 years that ecologists have begun to start studying the impact of carbon dioxide on species in earnest.

But the impact these gases have on the climate has until now not been as widely studied as the effects of carbon dioxide emissions.

Rising anthropogenic, or human - caused, carbon dioxide in the atmosphere may have up to twice the impact on coastal estuaries as it does in the oceans because the human - caused CO2 lowers the ecosystem's ability to absorb natural fluctuations of the greenhouse gas, a new study suggests.

An international team examining the impact of ocean acidification on coral has found that a key reef - building coral can, over a relatively short period of time, acclimate to a doubling of atmospheric carbon dioxide levels.

The indirect effects of rising atmospheric carbon dioxide (CO2) levels, such as changes in soil moisture and plant structure, can have a bigger impact on ecosystems than previously thought.

But what has not been calculated before is the impact that the copepod's long journey and hibernation at depth has on the ability of the ocean to store carbon dioxide removed from the atmosphere.

It remains to be demonstrated whether dumping iron at sea will be able to affect that loss — or have any impact on the rise of carbon dioxide concentrations in the atmosphere.

Previous studies have suggested that temperature and, more specifically, atmospheric carbon dioxide levels influence body size more via an indirect impact on food availability and nutritional content.

A study provides the first evidence that pollen production is significantly stimulated by elevated carbon dioxide in a grass species as a result of climate change, which may have significant impact on human health.

The future impacts of anthropogenic global change on marine ecosystems are highly uncertain, but insights can be gained from past intervals of high atmospheric carbon dioxide partial pressure.

Ongoing projects at Biosphere 2 include research on the impact of increasing carbon dioxide levels on coral reefs and forests.

If large amounts of undecayed matter were to defrost, decompose and release methane and carbon dioxide into the atmosphere, the impact on global temperatures would most likely be enormous.

The team discovered that the human impact on biogenic methane and nitrous oxide emissions far outweighed the human impact on the terrestrial uptake of carbon dioxide, meaning that humans have caused the terrestrial biosphere to further contribute to warming.

These chemicals can be tens of thousands of times more potent than carbon dioxide in trapping heat, so even small amounts leaking into the atmosphere could have an outsized impact on the climate.

Though the overall impact of tourism on climate change is difficult to assess, the United Nation's World Tourism Organization says our vacations contribute about 5 percent of global carbon dioxide emissions, which reached 8.47 billion metric tons in 2007.

«What we find is that sustained low or high oil prices could have a major impact on the global energy system over the next several decades; and depending on how the fuel substitution dynamics play out, the carbon dioxide consequences could be significant.»

7It is particularly ironic that Lomborg would offer such a ridiculously precise estimate of the cost of the impacts of climate change from carbon dioxide emissions, inasmuch as the entire thrust of his books chapter on «global warming» is that practically nothing about the effects of greenhouse gases is known with certainty.

But if in the process the same carbon is converted from carbon dioxide to methane — a gas with a much higher impact on climate — it is then that we need to worry.»

Paul Bledsoe, who worked in the White House on climate issues under President Clinton, sees Obama's action as a sign of his personal concern about the impacts of rising carbon dioxide, which recently passed 400 parts per million, a measurement not seen on Earth for tens of thousands of years.

But with that see - saw battle going on in the tropics, the result was that overall, tropical forests» impact on atmospheric carbon dioxide was a wash - deforestation emitted about the same amount that was captured in forest growth.

This is the inescapable conclusion of a landmark paper, published in Nature Geoscience, which finally admits that the computer models have overstated the impact of carbon dioxide on climate and that the planet is warming more slowly than predicted.

But awareness of carbon dioxide's impact on global temperatures had been seeping through Exxon, from its rank - and - file engineers to its board of directors.

Unfortunately, increasing carbon dioxide in the atmosphere has yet another impact on our ecosystems — it reduces transpiration.

When speaking about the buildup of carbon dioxide and other gases in the Earth's atmosphere, Goreham correctly told NEPPA members that greenhouse emissions only make up a small fraction of the atmosphere, but wrongfully deduced that this means they could not have any significant impact on the planet.

Developed for the Commonwealth Marine Science Event 2018, this publication is an initiative by UK scientists and international partners, led by Plymouth Marine Laboratory, providing evidence - based science for policy making on the impacts of increasing concentrations of carbon dioxide and other greenhouse gases on the ocean and human systems.

The consensus is that several factors are important: atmospheric composition (the concentrations of carbon dioxide, methane); changes in the Earth's orbit around the Sun known as Milankovitch cycles (and possibly the Sun's orbit around the galaxy); the motion of tectonic plates resulting in changes in the relative location and amount of continental and oceanic crust on the Earth's surface, which could affect wind and ocean currents; variations in solar output; the orbital dynamics of the Earth - Moon system; and the impact of relatively large meteorites, and volcanism including eruptions of supervolcanoes.

International aviation accounts for approximately half a billion tonnes of carbon dioxide emissions a year and has an even wider impact on the climate from other (non-CO2) emissions.

Exxon documents show that top corporate managers were aware of their scientists» early conclusions about carbon dioxide's impact on the climate.

«For reusable cloth nappies the study states «The baseline scenario based on average washer and drier use produced a global warming impact of approximately 570 kg of carbon dioxide equivalents.»

Pupils should be taught about the Earth as a source of limited resources and the efficacy of recycling and the production of carbon dioxide by human activity and the impact on climate.

Sports cars and performance cars are a favorite target of the save - the - earth crowd, of course, but I think I can make the argument that increased availability of fast cars in general — and «hot hatches» in particular — can actually make a positive impact on carbon - dioxide emissions.

Every person on earth has some level of footprint on the carbon register due to carbon dioxide, but beyond that, the impact of carbon emissions from cars, factories, large building construction and other industries is a concern, as it is affecting the quality of air and atmosphere we depend on for existence.

Economists and policy makers used the metric to place a dollar cost on the economic impact of planet - warming carbon dioxide pollution: about $ 36 per ton.

It has a big impact on the environment as it rots and releases methane — a harmful greenhouse gas that is 25 times more potent than carbon dioxide.

However, this in itself is not enough to define what level of warming is «dangerous,» especially since the projections of actual impacts for any level of warming are highly uncertain, and depend on further factors such as how quickly these levels are reached (so how long ecosystems and society have had to respond), and what other changes are associated with them (eg: carbon dioxide concentration, since this affects plant photosynthesis and water use efficiency, and ocean acidification).

Dr. Depledge described signs of a shift in the oil kingdom's stance, including its endorsement of science pointing to big impacts from a building human influence on climate and commitment of money to pursue technologies for capturing carbon dioxide from the burning of fossil fuels and other new energy options.

Pollution from coal burning, in the United States and particularly in developing countries, has big impacts on public health, and the climate impact from coal - generated carbon dioxide could be enormous if the world's still - vast reserves are heavily exploited.

To have a discernible impact on the growth in emissions from coal burning, carbon dioxide disposal would have to get to the billion - tons - a-year level.

The vast majority of research in recent decades on the carbon dioxide buildup has been focused on the atmospheric impacts of the accumulating greenhouse - gas blanket even though the vast majority of the heated trapped by these gases has gone first into the seas — and the drop in seawater pH driven by CO2 has been a clear signal of substantial environmental change.

A simple top - down analysis, based on global scale changes in carbon dioxide and methane, provides some insight into the potential impact of U.S. shale gas production and displacement of coal on global climate.

Despite its climate - centric name and mission, the Intergovernmental Panel on Climate Change has been focusing increasing attention on direct ocean impacts of carbon dioxide, most notably in an excellent 2011 report, «IPCC Workshop on Impacts of Ocean Acidification on Marine Biology and Ecosystems.impacts of carbon dioxide, most notably in an excellent 2011 report, «IPCC Workshop on Impacts of Ocean Acidification on Marine Biology and Ecosystems.Impacts of Ocean Acidification on Marine Biology and Ecosystems.»

As for the ethics of all of this, Donald A. Brown of Pennsylvania State University argues that the world's top emitters of greenhouse gases are morally obligated to curb carbon dioxide and similar emissions based on the level of certainty that is already established on the impacts of those emissions — most of which will be in poorer places with small contributions to the human - caused gas buildup in the atmosphere.

China's plan to build millions of electric vehicles will have little impact on the country's carbon dioxide emissions, a new analysis concludes, because so much of the country's electricity is produced by burning coal.