Sentences with phrase «higher emissions levels»

The production of both beef cattle and dairy cows is tied to especially high emissions levels.

But unless there are noticeable signs of clogged fuel injectors (such as a rough idle, stalling, poor acceleration or high emissions levels), it might not be necessary.

David Jamieson The most eco-friendly cars have green labels, while those with the highest emission levels have red.

These patterns arise because at high emissions levels the total Antarctic contribution to SLR equals or exceeds the sea - level content of the WAIS in most simulations, so very few simulations must be filtered out from the triggered case, making it nearly identical to the baseline case.

The overall correlation is a result of the fact that climate policy induces systemic changes in the energy system, away from technologies with high greenhouse gas emission levels, which also have high emissions of air pollutants (e.g. coal use without CCS has high emission levels of CO2, but also of SO2).

Not exact matches

Emerging evidence makes it clear that the installation of software to defeat emissions controls was not the result of some rogue operation — it was driven by decisions made by the company's top engineers and approved at the highest levels.

New figures from the Carbon Dioxide Information Analysis Center have found that carbon emissions likely hit their highest levels ever in 2010 (the numbers are partially preliminary estimates).

They include: high levels of degraded soils; reductions in irrigation quotas to restore the health of the Murray - Darling system; the re-forestation of some agricultural land to meet emissions reductions targets; the impacts of peak oil, such as the diversion of food crops into feed - stock for biofuels; and the price and crop yield implications of peak phosphorous, given Australia's dependence on imported fertilisers.

Farming in recirculation aquaculture systems (RAS) gives an opportunity for maximising farming conditions, reducing emissions of nutrients to the aquatic environment, reducing water consumption and for farming with a high level of bio-security.

Babies can be exposed to high levels of chemical emission from mattresses as they sleep, a new study has found.

Government targets leave emission levels too high to prevent a big temperature rise, warns team of experts led by economist Nicholas Stern

Greenhouse gases rose slightly each year between 2013 and 2015, when they reached 98.3 million tons, 11 percent higher than 1990 levels, said Bill Drumheller, who tracks the state's emissions at the Washington Department of Ecology.

«This finding was of interest,» they write, «as it emphasises the paradox involved in LCT, in that tourists are travelling greater distances to view the destination that is in danger, contributing higher levels of emissions and thus exacerbating the impacts of climate change.»

From climate campaigners to high - level diplomats, those who are committed to fighting global warming say making a strong agreement in Paris next year that radically reduces levels of greenhouse gas emissions is critical.

The report also includes information about how continuing high levels of emissions would affect things like heat waves — a one - in -20-year heat wave would be likely to occur every year.

The Kyoto Protocol calls on the high - income countries and the postcommunist nations of eastern Europe and the former Soviet Union to reduce their GHG emissions as of 2012 by around 6 percent compared with the 1990 level.

The CPP will require a 32 percent cut in utility - sector carbon emissions from 2005 levels by 2030, with some states seeing reduction requirements as high as 45 to 47 percent.

The researchers also observed regional differences in methane emission levels, with the lowest emissions per device measured in the Rocky Mountains and the highest emissions in the Gulf Coast, similar to the earlier 2013 study.

In the «Continued Effort» scenario, China's carbon emissions would not level off until around 2040, ten years later than in the «Accelerated Effort» scenario, and at a level 20 percent higher.

Record emissions of carbon dioxide mean atmospheric concentrations have reached levels that lead to the highest temperature increases

Speaking at the start of an Environment and Public Works Committee hearing where he is the second highest - ranking member, the Montana Democrat said he wanted to weaken the bill's 2020 target for greenhouse gas emissions — now 20 percent below 2005 levels.

The amount of carbon dioxide (CO2) in the air is now at its highest level in human history, largely because of coal - burning power plants and vehicle emissions.

Some experts argue that countries are doing the same thing, allowing destructive practices to go forward now in order to set a high level of emissions that it will be easy to profit from.

«Rapid economic growth in China has driven high levels of nitrogen emissions in the past few decades,» says Zhang Fusuo, an agriculture researcher at the China Agricultural University in Beijing and a co-author of the study.

The combination of a long beam - path and high - intensity emission enhances the measurement, so even chemicals present at parts - per - billion levels can be detected.

Fifty years of auto - emission rules have had an impact, but peak levels of harmful ozone remain high

The progressively earlier occurrence of these high CO2 levels — not seen in somewhere between 800,000 and 15 million years — points to the inexorable buildup of heat - trapping gas in the atmosphere as human emissions continue unabated.

In a first - of - its - kind study, a team of environmental engineers from the Cockrell School of Engineering at The University of Texas at Austin found that infants are exposed to high levels of chemical emissions from crib mattresses while they sleep.

And even under the best of conditions, carbon sequestration is not at levels high enough to counteract the ruminants» own emissions, the report says.

While some acidification is caused by factory and vehicle emissions, the major fault lies with high ammonia levels in animal waste generated by the country's cattle industry.

- On any given day, 20 percent of Americans account for nearly half of U.S. diet - related greenhouse gas emissions, and high levels of beef consumption are largely responsible, according to a new study from researchers at the University of Michigan and Tulane University.

The results reveal that, after a comparison at national level, the vast number of substances tested show a clearly higher average consumption — thus more contaminant emissions — by private households than health care facilities.

They found that, broadly speaking, higher national investment in these environmentally - friendly incentive schemes over a five - year period correlated with increased levels of bird biodiversity and lower rates of gas emissions from farming.

Astete said some of the highest mercury levels were in people who were not directly involved in mining, but who lived near places where gold is bought and sold, such as the shop where the emissions were too high to be measured by the EPA's gauge.

On the high end, recent work suggests that 4 feet is plausible.23, 3,6,7,8 In the context of risk - based analysis, some decision makers may wish to use a wider range of scenarios, from 8 inches to 6.6 feet by 2100.10,2 In particular, the high end of these scenarios may be useful for decision makers with a low tolerance for risk (see Figure 2.26 on global sea level rise).10, 2 Although scientists can not yet assign likelihood to any particular scenario, in general, higher emissions scenarios that lead to more warming would be expected to lead to higher amounts of sea level rise.

Recognizing that developed countries are principally responsible for the current high levels of GHG emissions in the atmosphere as a result of more than 150 years of industrial activity, the Protocol places a heavier burden on developed nations under the principle of «common but differentiated responsibilities.»

While this number is higher than the previous estimate made in the late 1990s based on ground measurements, the new research includes data on more volcanoes, including some that scientists have never visited, and it is still lower than human emissions of sulfur dioxide pollution levels.

Naturally burning timber and brush launch what are called fine particles into the air at a rate three times as high as levels noted in emissions inventories at the U.S. Environmental Protection Agency, according to a new study.

In one sentence: Researchers at Pacific Northwest National Laboratory and colleagues found that if followed by measures of equal or greater ambition, individual country pledges to reduce their emissions called Intended Nationally Determined Contributions have the potential to reduce the probability of the highest levels of warming and increase the probability of limiting global warming to 2 degrees Celsius.

Since industrial CO2 emissions were massively higher between 1850 and 1900 than any period up to 1850, it's hard to believe that 1850 CO2 levels in the atmosphere were any more than 285 ppm.

«Many of California's water managers are now working with projections of a one foot rise by mid-century and a three to four foot rise by 2100, slightly above the levels projected in the higher emissions scenarios of the Intergovernmental Panel on Climate Change (IPCC)...»

Ocean pH is projected to drop an additional 0.4 pH units by 2100 under a high CO2 emission scenario, ref with carbonate saturation levels potentially falling below those required to sustain coral reef accretion.

The Chinese - and the UN - insist that rich countries with high per capita levels of pollution must cut emissions first, and help poorer countries to invest in clean technology.

Instead, global leaders have agreed to limit warming to, or below, 3.6 °F (2 °C) relative to preindustrial levels, without specifying how much emissions can take place or how high CO2 levels can go.

Diffuse emission nebulae are often called H II regions because they are mainly consisted of ionized hydrogen, H II - the roman number after the element symbol (here H) designating the ionization level: «I» would stand for neutral atoms, the «II» here means first ionization, i.e. the hydrogen atoms have lost their single electron, and for other elements higher numbers (ionization levels, or numbers of lost electrons) would be possible (e.g., He III, O III or Fe V).

Extensive simulations [17], [194] confirm that the effect of solar variability is small compared with GHGs if CO2 emissions continue at a high level.

Antarctic ice sheet models double the sea - level rise expected this century if global emissions of heat - trapping pollution remain high.

CO2 accounts for more than 80 % of the added GHG forcing in the past 15 years [64], [167] and, if fossil fuel emissions continue at a high level, CO2 will be the dominant driver of future global temperature change.

For Coral Springs, for example, which appears to be comfortably inland, the high - tide line will encompass about a quarter of the city's population some time in the distant future, if emissions continue at current levels through the year 2040.

Hours earlier, Gregory Jaczko, the head of the U.S. Nuclear Regulatory Commission, told Congress that spent fuel rods in Unit 4 of the plant had been exposed, resulting in the emission of «extremely high» levels of radiation.