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News articles about "Air quality"

Atmosphere in northern hemisphere has lower self-cleaning capacity than previously thought

Pollution is being removed more slowly from the atmosphere in the northern hemisphere than previously assumed An international research team that includes researchers from Wageningen University established that the atmospheric cleaning agent hydroxyl OH is ... - Read More

Environmental costs, health risks, and benefits of fracking examined

A strange thing happened on the way to dealing with climate change Advances in hydraulic fracturing put trillions of dollars' worth of previously unreachable oil and natural gas within humanity's grasp The environmental costs and ... - Read More

Declining levels of acidity in Sierra Nevada lakes, study concludes

California's water supply depends on a clean snow pack and healthy mountain lakes The lakes receive a large amount of runoff in the spring from the melting snowpack If the snowpack is polluted the lakes ... - Read More

Ozone pollution in India kills enough crops to feed 94 million in poverty

In one year India's ozone pollution damaged millions of tons of the country's major crops causing losses of more than a billion dollars and destroying enough food to feed tens of millions of people living ... - Read More

How to power California with wind, water and sun

New Stanford research outlines the path to a possible future for California in which renewable energy creates a healthier environment generates jobs and stabilizes energy prices Imagine a smog free Los Angeles where electric cars ... - Read More

Cleaning the air with roof tiles

A team of University of California Riverside's Bourns College of Engineering students created a roof tile coating that when applied to an average sized residential roof breaks down the same amount of smog causing nitrogen ... - Read More

Rules to cut carbon emissions also reduce air pollution harmful to people, environment

Setting strong standards for climate changing carbon emissions from power plants would provide an added bonus reductions in other air pollutants that can make people sick damage forests crops and lakes and harm fish and ... - Read More

Airborne measurements confirm leaks from oil and gas operations

During two days of intensive airborne measurements oil and gas operations in Colorado's Front Range leaked nearly three times as much methane a greenhouse gas as predicted based on inventory estimates and seven times as ... - Read More

Ozone levels drop 20 percent with switch from ethanol to gasoline

A Northwestern University study by an economist and a chemist reports that when fuel prices drove residents of São Paulo Brazil to mostly switch from ethanol to gasoline in their flexible fuel vehicles local ozone ... - Read More

Tiny transistors for extreme environs: Engineers shrink plasma devices to resist radiation

University of Utah electrical engineers fabricated the smallest plasma transistors that can withstand high temperatures and ionizing radiation found in a nuclear reactor Such transistors someday might enable smartphones that take and collect medical X ... - Read More

Africa's air pollution underestimated in climate change models

Human activity in Africa significantly contributes to air pollution However no detailed data regarding country by country pollutant emissions in the continent was available until now To remedy this a joint French Ivory Coast team ... - Read More

First infrared satellite monitoring of peak pollution episodes in China

Pollution, Pollution
Plumes of several anthropogenic pollutants especially particulate matter and carbon monoxide located near ground level over China have for the first time been detected from space The work was carried out by a team at ... - Read More

New study: US power plant emissions down

Emissions
Power plants that use natural gas and a new technology to squeeze more energy from the fuel release far less of the greenhouse gas carbon dioxide than coal fired power plants do according to a ... - Read More

Greek economic crisis leads to air pollution crisis

In the midst of a winter cold snap a study from researchers in the United States and Greece reveals an overlooked side effect of economic crisis dangerous air quality caused by burning cheaper fuel for ... - Read More

Clean Air Act has led to improved water quality in the Chesapeake Bay watershed

Water, Water, Water
A new study shows that the reduction of pollution emissions from power plants in the mid Atlantic is making an impact on the quality of the water that ends up in the Chesapeake Bay The ... - Read More

Heavy air pollution in Canadian area with cancer spikes

cancer
Levels of contaminants higher than in some of the world's most polluted cities have been found downwind of Canada's largest oil gas and tar sands processing zone in a rural area where men suffer elevated ... - Read More

With carbon nanotubes, a path to flexible, low-cost sensors: Potential applications range from air-quality monitors to electronic skin

Carbon nanotubes, Applications
Researchers at the Technische Universitaet Muenchen TUM are showing the way toward low cost industrial scale manufacturing of a new family of electronic devices A leading example is a gas sensor that could be integrated ... - Read More

Hydraulic fracturing in Michigan investigated

Gas
University of Michigan researchers today released seven technical reports that together form the most comprehensive Michigan focused resource on hydraulic fracturing the controversial natural gas and oil extraction process commonly known as fracking The studies ... - Read More

Wildfires projected to worsen with climate change

Climate change, Climate change, Climate, climate
Research by environmental scientists at the Harvard School of Engineering and Applied Sciences SEAS brings bad news to the western United States where firefighters are currently battling dozens of fires in at least 11 states ... - Read More

Unraveling the mystery of Saharan dust migration

Satellite pictures of Saharan dust clouds have been in the news all summer but to Shankar Chellam they have just raised more questions How much impact did the Saharan dust have on Houston's air Is ... - Read More
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