(Reuters)-- Beijing recorded a slight drop in
smog levels in 2014, the municipal Environmental Protection Agency (EPA) said Sunday, though some pollutants remained at 150 percent above national minimum levels.
Farmers in India are benefitting from technological innovations that can help prevent damaging
smog levels in the capital Delhi and other areas.
Not exact matches
On high -
smog days
in Kraków, Poland, the city's air pollution can reach six times that of safe
levels.
More than two of every five Americans reside
in counties with unhealthy
levels of
smog and air pollution, thanks largely to the effect of global warming, health researchers report.
Schneiderman said data shows 1 -
in - 3 residents of New York is «breathing dangerous
levels of
smog pollution» and the EPA's lack of action threatens citizens» health and safety.
In October 2010, as heavy
smog hung over Beijing, the U.S. embassy's Twitter feed said its rooftop pollution sensor had detected «crazy bad»
levels of hazardous microparticles.
And while ozone high
in the atmosphere helps shield Earth from the sun's ultraviolet radiation, at ground
level, it mixes with fine particulates to form breath - choking
smog.
Although the Environmental Protection Agency (EPA) has reported that air is cleaner today than it was
in the 1970s, more than 130 million people
in the U.S. still live
in places where
smog or particle pollution rises to unhealthful
levels.
Using a computer model that fused air pollution and atmospheric chemistry data, they estimated what annual average
levels of ozone (a key
smog ingredient) and fine particulates smaller than 2.5 microns (PM2.5) were
in 2010 within 100 - km - by -100-km grid squares across the world.
Hundreds of flights were delayed or cancelled on Friday
in China's commercial hub of Shanghai as record
levels of air pollution shrouded the city
in smog, prompting authorities to issue the highest
level of health warning.
Ozone doesn't just live high
in Earth's atmosphere; near the ground, it contributes to
smog, and ground -
level ozone has gradually increased
in most places because of industrial pollution from vehicles and fossil - fuel burning.
Published March 1
in the journal Atmospheric Chemistry and Physics, the study looked at the sources of
smog, also known as ground -
level ozone, across a period ranging from the 1980s to today.
Despite a 50 percent cut
in smog - forming chemicals such as nitrogen oxides, commonly known as «NOx,» over the past 25 years, ozone
levels measured
in rural areas of the west have actually climbed.
Their target is not science so much as a slew of U.S. EPA regulations meant to clean up the nation's coal - fired power plants and reduce the
levels of
smog in the air.
Ozone
levels have increased
in the west, as indicated by the red circles, despite a 50 percent reduction
in the emission of
smog - forming pollutants.
The researchers estimate that cutting those 14 together could avoid between 700,000 and 4.7 million premature deaths (largely from smoky, unhealthy air) and increase crop yields by between 30 million and 135 million metric tons (due to concomitant reductions
in ground -
level ozone, otherwise known as
smog, which forms from fugitive methane and blights crops
in Brazil, China, India, the U.S. and elsewhere).
SHANGHAI (Reuters)- Hundreds of flights were delayed or cancelled on Friday
in China's commercial hub of Shanghai as record
levels of air pollution shrouded the city
in smog, prompting authorities to issue the highest
level of health warning.
The findings are timely because the Environmental Protection Agency is developing stricter regulations for ground -
level ozone, a primary component
in photochemical
smog.
Beijing, sometimes derided as «Greyjing» or «Beige - jing» by English - speaking residents, suffered its own
smog emergency last winter, when the pollution index reached 45 times the recommended
level one particularly bad day
in January.
Ground -
level ozone (a key component of
smog) is associated with many health problems, such as diminished lung function, increased hospital admissions and emergency room visits for asthma, and increases
in premature deaths.12, 13,14,146
Although air pollution
levels are generally higher
in large, urban areas like Detroit, its generally safe to run anywhere unless theres a
smog alert, says Dr. Roberts.
Smog from Indonesia is a perennial problem
in Malaysia and Singapore, but the pollution
levels this year have hit record
levels.
Even
in Kuala Lumpur, where
smog levels have so far remained moderate, visibility is now strongly reduced and the smell of thick smoke hangs
in the air, correspondents say.
The large works that have occupied him since 1969 are,
in brief: Hubris, commissioned for the University of Hawaii at Manoa, one of Smith's most open and regular pieces to date, which consists of a two - section, 9 - by - 9 grid
in black concrete, one half thin slabs at ground
level, the other half the same grid raised to 3 feet 3 inches by a four - sided pyramidal module; Batcave, a complex environmental interior designed to «mold space and light» rather than material form, at the Osaka World's Fair, a new version of which will be shown soon at the Los Angeles County Museum; a gigantic triangular sculpture inserted into a Californian mountainside; a labyrinthine water garden for a delta;
Smog, a huge new horizontal piece made from the dismantled components of Smoke (which was made for the Corcoran's «Scale as Content» show, 1967); Haole Center, a sunken square «pavement» within a square stone sculpture, with a metal ladder leading down below the earth's surface; two related monumental sculptures on platforms (Arch and Dial); and a flat 81 - block grid proposed for downtown Minneapolis.
Is there any convincing evidence or analysis you see that says this is
in any way about climate, particular, as distinct from the noted issues with mercury
in rice and high
smog levels and the like?
Smog in Beijing has recently risen from «hazardous»
levels to something closer to «get - the - hell - out - of - town apocalyptic».
According to the Chinese Centre for Disease Control and Prevention, the burning of coal is responsible for 70 percent of the emissions of soot that clouds out the sun
in so much of China; 85 percent of sulfur dioxide, which causes acid rain and
smog; and 67 percent of nitrogen oxide, a precursor to harmful ground
level ozone.
, lightning related insurance claims, Lyme disease, Malaria, malnutrition, Maple syrup shortage, marine diseases, marine food chain decimated, Meaching (end of the world), megacryometeors, Melanoma, methane burps, melting permafrost, migration, microbes to decompose soil carbon more rapidly, more bad air days, more research needed, mountains break up, mudslides, next ice age, Nile delta damaged, no effect
in India, nuclear plants bloom, ocean acidification, outdoor hockey threatened, oyster diseases, ozone loss, ozone repair slowed, ozone rise, pests increase, plankton blooms, plankton loss, plant viruses, polar tours scrapped, psychosocial disturbances, railroad tracks deformed, rainfall increase, rainfall reduction, refugees, release of ancient frozen viruses, resorts disappear, rift on Capitol Hill, rivers raised, rivers dry up, rockfalls, rocky peaks crack apart, Ross river disease, salinity reduction, Salmonella, sea
level rise, sex change, ski resorts threatened,
smog, snowfall increase, snowfall reduction, societal collapse, songbirds change eating habits, sour grapes, spiders invade Scotland, squid population explosion, spectacular orchids, tectonic plate movement, ticks move northward (Sweden), tides rise, tree beetle attacks, tree foliage increase (UK), tree growth slowed, trees less colourful, trees more colourful, tropics expansion, tsunamis, Venice flooded, volcanic eruptions, walrus pups orphaned, wars over water, water bills double, water supply unreliability, water scarcity (20 % of increase), weeds, West Nile fever, whales move north, wheat yields crushed
in Australia, white Christmas dream ends, wildfires, wine — harm to Australian industry, wine industry damage (California), wine industry disaster (US), wine — more English, wine — no more French, wind shift, winters
in Britain colder, wolves eat more moose, wolves eat less, workers laid off, World bankruptcy, World
in crisis, Yellow fever.
Meanwhile, a 2007 study by a Stanford University environmental engineer found that increasing ethanol
levels in gasoline can lead to more
smog.
I'm not saying either of you is right or wrong about sulphate
levels in the
smog; just that if LA used low sulphur petrol back then they might be lower than you'd expect.
Ground -
level ozone (a key component of
smog) is associated with many health problems, such as diminished lung function, increased hospital admissions and emergency room visits for asthma, and increases
in premature deaths.12, 13,14,146
To know for sure either way about whether or not LA's
smog included high
levels of suphates, you'd first have to know the typical sulphur
levels in Southern Californian octane
in the mid-1970s.
More than half of America's population lives
in areas with unhealthy
levels of
smog and soot.
In 2013, Fort Collins and Denver received «F» grades from the American Lung Association for high
levels of ground -
level ozone, a key element of
smog; Colorado Springs received a «C» grade.
In 2030, a million solar roofs (or at least 3,000 MW of solar energy capacity) would help the state avoid 11.8 million pounds of
smog - forming nitrogen oxide pollution from power plants annually — a reduction of 9 percent below 2012 power plant emission
levels.
But billions
in US investment to help India move ahead on ambitious targets for expanding its use of wind and solar power, as well as initiatives to clean up the dangerous
levels of soot and
smog, are very much on the cards.
(Reuters)-- Severe pollution
in Beijing has made the Chinese capital «barely suitable» for living, according to an official Chinese report, as the world's second - largest economy tries to reduce often hazardous
levels of
smog caused by decades of rapid growth.
According to a new study published
in the journal Geophysical Research Letters, ground -
level ozone, the main component of
smog, damages about 6.7 million tons of India's staple crops, including wheat and rice,
in a single [continue reading...]
by Tom Tanton, E&E Legal Director of Science and Technology Assessment As appearing
in Fox & Hound To hear certain politicians, interest groups and newspaper columnists describe it recent decisions by the South Coast Air Quality Management District Board will condemn Southlanders to a return to 1970s
levels smog with dire consequences to life and -LSB-...]
Higher air pollution
levels can compound the effects of excessive heat, and vice versa.20 Some of the heat - related deaths
in 2003 may also have been
smog - related — including one - quarter to three - fifths of the excess deaths
in the Netherlands.6
New maximum
levels for nitrogen oxides, a component of
smog, and sulfur dioxide, which causes acid rain, are scheduled to take effect
in 2012.
Rights - of - way on public lands result
in landscape and habitat fragmentation, while coal combustion produces a number of gaseous byproducts, including CO2, nitrogen dioxide, sulfur dioxide, and methane — which exacerbate climate change and are associated with ground -
level ozone (
smog), air pollution, and acid rain.
Beijing's notorious air pollution has reached beyond hazardous
levels in recent years, with the city covered
in thick, toxic
smog for a good part of the year.
So, noticing the natural experiment
in progress — has anyone seen numbers on light
levels and primary production under the Asian
smog of the last few years?
In addition to methane emissions, natural gas sector operations and infrastructure represent a significant source of CO2; volatile organic compounds (VOCs), which are chemicals that contribute to ground -
level ozone and
smog; and hazardous air pollutants (HAPs).
Many states
in the U.S. will make sure that your vehicle emits
smog levels that are low enough to prevent the beautiful skies from being polluted.
A city
in Northern China has built what it calls the world's largest air purifier
in a bid to reduce
smog levels.