Sentences with phrase «impact of carbon dioxide»

Thus, we have traditionally studied the impact of carbon dioxide separately from the impact of sulphate aerosols and separately from the impacts of the emissions that cause ozone (the «precursors»).

Setting these targets means that we are aware of the impact of carbon dioxide, and we want to manage it down over time.»

However, he understood that the impact of carbon dioxide in the atmosphere was a tricky issue.

Amponsah, Lawrence and Kofi Hoggar, Glory and Yeboah Asuamah, Samuel (2015): Climate change and agriculture: modelling the impact of carbon dioxide emission on cereal yield in Ghana.

«A major new scientific study concludes the impact of carbon dioxide emissions on worldwide temperatures is largely irrelevant, prompting one veteran meteorologist to quip, «You can go outside and spit and have the same effect as doubling carbon dioxide.»

A new study published in Climatic Change, a scientific journal studying climate variability, takes this a step further, attempting to both quantify the historical impact of carbon dioxide emissions on global surface temperatures and to tie these changes to specific companies.

Regardless of one's opinions on the impact of carbon dioxide (CO2) emissions on global temperatures the economic sacrifices will generate a negligible impact on global temperatures.

Climate change and agriculture: modelling the impact of carbon dioxide emission on cereal yield in Ghana

This, of course, is both a big environmental problem (the escaping gas contributes to local smog) and a financial opportunity, particularly given that methane, besides having 25 times the climate impact of carbon dioxide when the gases are compared over a 100 - year period, is a fuel and chemical feedstock.

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.

That's because methane (or CH4) has more than 30 times the global warming impact of carbon dioxide (CO2) over 100 years (and its more than 80 times more powerful over 20 years, since methane disappears from the atmosphere far more quickly than CO2).

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.

The U.S. government should tweak its approach for estimating the financial impacts of carbon dioxide (CO2) pollution, which it uses in drafting new regulations, according to a report released today by the U.S. National Academies of Sciences, Engineering, and Medicine (NAS).

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.»

Updated, 8:38 p.m. There are new revelations from the continuing InsideClimate News investigation of what the oil industry knew about the potential climate impacts of carbon dioxide from fuel burning even as it sought delays in related national and international policies.

Awareness of the direct impacts of carbon dioxide on the oceans has been slow to build in part because research on the flood of this and other greenhouse gases focused for so long on the climatological significance, not the direct chemical and biological effects.

To those who dismiss the impacts of carbon dioxide on our planet, think again.

Happer also admitted that a similar method had been used to fund his testimony for a Minnesota state hearing on the impacts of carbon dioxide, for which Peabody Energy paid him $ 8,000 which was also routed through the CO2 Coalition.

The Greenpeace investigation had also found that Happer accepted $ 8,000 from Peabody Energy to attend a Minnesota state hearing on the impacts of carbon dioxide.

Not exact matches

Even though the BFR will spew out tons of the greenhouse gas carbon dioxide, the impacts may not be much greater than current global air travel (depending how many flights end up happening).

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.

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.

Part of the problem is that the benefits of better plant growth, thanks to higher carbon dioxide concentrations (plants use CO2 for photosynthesis) are more than offset by the impact of higher temperatures and differing precipitation.

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.

Ultimately, if steel could be produced by such a process, it could have a major impact, because «steel - making is the number one source of anthropogenic carbon dioxide,» the main greenhouse gas, Sadoway says.

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.

According to Flowerpetal.com, which tries to limit the environmental impact of floral purchases, supplying the 100 million roses ordered for a typical Valentine's Day produces 9,900 tons of carbon dioxide (CO 2) emissions.

While scientists and policy experts debate the impacts of global warming, Earth's soil is releasing roughly nine times more carbon dioxide to the atmosphere than all human activities combined.

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.

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.

«If the natural concentration had been a factor of two or more lower, the climate impacts of fossil fuel carbon dioxide release would have occurred about 50 or more years sooner, making it much more challenging for the developing human society to scientifically understand the phenomenon of humanmade climate change in time to prevent it,» he says.

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.

Fossil fuels cost a lot of money and [have] a lot of climate impact; that's something we haven't covered either, but this plan will also reduce carbon dioxide emissions to about a third of what they are now [by] 2050, assuming some level of growth as well.

For both builders the biggest impact comes from the carbon dioxide generated during processing and transport of raw materials and manufacture.

One of these trips happened in 2014 while Lee and Rice colleagues also were studying how a flare - up of Cretaceous - era arc volcanoes along the U.S. Pacific rim had impacted Earth's climate through enhanced volcanic production of carbon dioxide.

In essence, the scientists evaluated the impacts associated with a given final level of carbon dioxide in the atmosphere, but did so through the lens of temperature change.

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.

Bond, who led the most comprehensive study to date of black carbon's environmental effects, has found that the pollutant is second only to carbon dioxide in terms of its warming impact.

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.

To compare with other fuels, the impact of using gasoline results in 94 grams of carbon dioxide per mega-joule.

They would also do something to help Australia meet its target of cutting carbon dioxide emissions, as most would have more impact than the small carbon tax which has been proposed.

Upper - ocean processes dissipate heat, transport nutrients and impact the uptake of carbon dioxide — making circulation a critical driver of biological activity in the ocean.

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.

«Recent advances in understanding coral resilience are essential to safeguard coral reefs: A review of the literature points to the importance of reducing global carbon dioxide emissions in addition to protecting or augmenting resilience mechanisms in the face of increased frequency of climate change impacts..»

As for costs to the economy, Brandt said the benefits from curbing carbon dioxide emissions drastically outweigh the risks from regulation, though current accounting methods may not accurately reflect the scale of the impact.

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.