Sentences with phrase «pollution in»

The amount of energy being trapped on Earth continues to rise at a quickening pace, because of the effects of the thickening cloud of greenhouse gas pollution in the atmosphere, but more of that energy than usual has been ending up in the oceans.

An international research team has tracked down and measured an elusive molecule that rapidly breaks down pollution in the atmosphere, turning it into clouds that actually help cool the Earth.

«So global warming could produce more air pollution in the arctic,» she said.

Previously, if you wanted to study Criegee biradicals and how they reduce sulfur dioxide and nitrogen dioxide pollution in the atmosphere or how they make hydrocarbons spontaneously ignite, you had to do it with indirect measurements and observations.

Air pollution in cities may not be as bad for trees as that in rural areas, a new study suggests.

She points out that there are alternative explanations for why trees in New York were bigger, such as defensive reactions against pollution in which the plants produce antioxidants.

«Instead of spending billions on technologies that clean up pollution, we would be using resources to prevent water pollution in the first place.»

«Using historical herbarium specimens to track heavy metal pollution in the eastern United States.»

«The air pollution in eastern China can be so bad you can't clearly see across the street.

«There's a lack of research regarding long - term exposure to air pollution in some of the world's most polluted places, including India,» said Aaron Cohen, an epidemiologist at the Health Effects Institute in Boston.

With worries mounting about diesel pollution in particular, hopes were high that last week's budget would tackle this head - on.

«When it's more important than ever to cut energy costs and reduce pollution in our communities, organizations across America are making their buildings more efficient, raising the bar in energy efficiency and lowering the amount of carbon pollution and other emissions in the air we breathe,» said EPA Administrator Lisa Jackson in a statement.

There's not enough pollution in the rings for them to have been around for a long time, argues planetary scientist Paul Estrada of the SETI Institute in Mountain View,

[Xiaoyuan Li et al., Reduction of solar photovoltaic resources due to air pollution in China]

Ice cores show a sudden rise in heavy metal air pollution in South America 240 years before the industrial revolution, probably due to metallurgy and mining.

But those smokestacks, many attached to coal - fired power plants, are the single - largest source of greenhouse gas pollution in the U.S., at two billion metric tons of CO2 per year.

Even a low but constant level of chemical pollution in Lake Baikal could have massive impacts on individual species and the ecosystem as a whole.»

Genetically engineered pigs can digest phosphorous, potentially leaving less pollution in livestock lagoons.

Recent technological advances in air quality measurement methods now make it possible and practical to monitor air pollution in a much more sophisticated way than before, Peltier says.

Smoke from household fires has been a big source of pollution in the subcontinent, and it could disrupt the monsoons, too.

As executive director of the Air Alliance Houston for five years, Tejada fought against pollution in poor neighborhoods surrounding Gulf Coast ports.

The findings may help reduce cancer by driving policy to lower pollution in areas with high cancer rates linked to the environment.

The deposited particle mass from 10 to 350 nanograms (a billionth of a gram) per square centimeter of cell surface corresponds to an airway daily dose of slightly polluted, rural air with 20 micrograms (a millionth of a gram) PM per cubic meter of air through to very high air pollution in a megacity (1000 micrograms PM per cubic meter of air).

So even without concerns about the warming effect of carbon pollution in Earth's atmosphere, the Paris agreement goes a long way toward reducing harmful air pollution worldwide.

Concentrations of pollution in particular areas could trigger larger effects than more dispersed pollution.

They found that the daily level of PM2.5 pollution in Delhi dropped by 10 — 13 % during the vehicle restrictions.

«She is the voice of greatness,» says Russel Honoré, the now - retired U.S. Army lieutenant general who became a local folk hero when he led search and rescue and evacuation after Hurricane Katrina and later founded the GreenARMY, a coalition of environmental groups fighting against pollution in the Gulf region.

Only a restriction to below 5.5 kilometre (18 000 feet) would eliminate pollution in the stratosphere.

In May 2004, high levels of air pollution in Tongliang prompted the government to shut down the local coal - burning power plant to improve community health.

The reason for this choice is that constant - speed races like the Indianapolis 500, which take place on oval tracks, are better for internal combustion engines because those are most efficient at constant speed, yet waste fuel and create extra pollution in stop - start driving.

[Henry W. Lin, Gonzalo Gonzalez Abad and Abraham Loeb, Detecting industrial pollution in the atmospheres of Earth - like exoplanets] CFCs could hang around in a planet's atmosphere for a long time.

This work, published on 11 March 2014 in the journal Environment Research Letters, will help not only to improve existing climate models, but also to assess the health impacts of pollution in Africa's urban areas.

Human - made pollution in eastern China's cities worsens when less dust blows in from the Gobi Desert, according to a new study published May 11 in Nature Communications.

The carbon dioxide amplifies the warming power of carbon pollution in a vicious feedback loop.

«The long - term goal of this research group is to bridge the disciplines of hydrology, geochemistry and marine biology to help answer pressing questions regarding the source and impact of nutrient pollution in Hawaiian coastal waters,» said Craig Glenn, Henrietta Dulaiova and Celia Smith, the collaborating principal investigators and co-authors of the Hawai'i Sea Grant project.

Plans for a single environment agency to control pollution in England and Wales have been shelved because of disagreements between ministers over the scope and scale of the new body.

Old buses are major contributors to pollution in British cities.

In computer models together with historical data, the team found that reduced natural dust transported from the Gobi Desert in central and northern China translates to increased human - made air pollution in highly populated eastern China.

Many of the same forces that ease or worsen pollution in China are at play in many areas around the globe, including several cities in the United States.

«Therefore, we can not warrant the safety of the current levels of air pollution in our cities,» said Dr. Guxens.

Trump, who has called climate change a «hoax,» has re-committed the U.S. to coal energy, which was the largest single source of climate pollution in the U.S. until being eclipsed by the transportation sector last year.

The researchers say human - made pollution is still the core of air pollution in cities like Beijing in eastern China but that it's important to understand the role of natural dust particles.

Apart from continuous measurements over years at different daytimes and locations, the scientists also studied vertical distribution of dust pollution in cooperation with colleagues of the Atmospheric Environmental Research Division of KIT's Institute of Meteorology and Climate Research and the Institute of Regional Science of KIT.

This week's smog alarm at Beijing underlines the relevance of air pollution in the Chinese capital.

«It's the middle class and air pollution in the cities that get the most attention.

So reports a new study released today in the journal Environmental Science & Technology, which is one of the first to explore the ecological consequences of stimulant pollution in urban streams.

Indeed, conventional wisdom held that higher levels of aerosol pollution in the atmosphere should cool the earth's climate because aerosols can increase cloudiness; they not only reduce precipitation, which raises the water content in clouds, but they also increase the size of the individual water droplets, which in turn causes more warming sunlight to be reflected back into space.

«It is therefore reasonable to expect that precipitation extremes will continue to intensify,» although how much is still a mystery, largely thanks to an unclear understanding of the atmospheric impact of how tiny flecks of pollution in the atmosphere — known as aerosols to scientists and comprising materials ranging from soot to sulfur dioxide.

«The degree of pollution in each embayment is very different and that has to do with a number of different factors — levels of development, whether there's agriculture or urbanization nearby.»

The researchers say halving plastic pollution in these 10 waterways — eight of which are in Asia — could potentially reduce the total contribution by all rivers by 45 percent.