Tag: "ozone" at medical news
Street-level London air pollution warnings coming via mobile phones
...redicts levels of the pollutants nitrogen dioxide, ozone
and airborne particles exposure to which can harm people with asthma, lung and heart problems, and in the very highest concentrations can harm otherwise healthy people. The forecasts include predictions of overall effects on health on an index fro...
Sunshine mapping from space means brighter solar energy future
... Variations in cloud cover, humidity, aerosols and ozone
in the air determine the amount of incoming solar radiation actually reaching the ground. Local topography is also important and there are large regional differences in Europe the southern side of the Alps receives twice the annual radiance of north...
South Polar ozone hole makes big comeback
This season's Antarctic ozone
hole has swollen to an area of ten million square ...r, based on results from the last decade: only the ozone
holes of 1996 and 2000 had a larger area at this point in their development. Envisat's Scanning Imag...
Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality
...ields the amounts and distribution of trace gases, ozone
and related chemicals, clouds and dust particles throughout the atmosphere. With a 960-km swath and alternate limb and nadir observations, SCIAMACHY covers the entire world every six days at the equator and more often at high latitudes. This versati...
Air pollution found to pose greater danger to health than earlier thought
...e burning of fossil fuels. Scientists also tracked ozone
pollution, but found no link between ozone
levels and mortality. Increased deaths from heart disease jibe with the scientists' earlier research...
Air pollution linked to heart attack
... are two letters to the editor (Effects of ambient ozone
on the procoagulant status and systemic inflammatory response by Hermans et al and Exposure to diesel exhaust nanoparticles does not induce blood hypercoagulability in an at-risk population by Blomberg et al.) which challenge these results. They are...
Heat dangers forgotten in the battle against air pollution
... when people had adjusted to heat. High levels of ozone
and particulates tended to be associated with sunshine, and high particulates and sulphur dioxide with low wind, both of which can increase heat stress. The UCL study revealed that most analyses would attribute up to half of the mortality to the po...
Al Gore recipient of Harvard Global Environmental Citizen Award
...pan. His pioneering efforts to protect the earth's ozone
layer and to clean up toxic-waste dumps were outlined in his best-selling book, Earth in the Balance: Ecology and the Human Spirit (1992). Today, Gore is Chairman of Generation Investment Management, a new London-based fund management firm that plan...
Growing health effects of global warming outlined on regional scale
...fornia could more than double by 2100. Hazardous ozone
pollution days in the Eastern U.S. could increase 60 percent by 2050. Aside from research and the needed support of policy-makers worldwide, Patz says individuals can also play an important role in curbing the health consequences of global warming. ...
Mountainous plateau creates ozone 'halo' around Tibet
...earchers. In fact, say the scientists, the ring of ozone
that exists around the Tibetan plateau, which rise...as Mount Everest and K2, is as concentrated as the ozone
found in heavily polluted cities -- and may put climbers at risk. The findings are published in the ...
Something in the air? ESA service warns asthma sufferers by mobile phone
... The winds carried that pollution to England, with ozone
reaching harmful levels in London on 24 to 26 June...ble conditions, one day in advance of the elevated ozone
levels. The YourAir service combines regional air quality forecasts from PROMOTE partners with inf...
Free access to a digital library for developing countries
...ound water con-tamination and the depletion of the ozone
layer. "Helping to improve access to environment, health and nutrition information in developing countries is a matter of course for us. We already participate enthusiastically in projects such as AGORA and HINARI. I would like to congratulate ever...
Ozone recovering, but unlikely to stabilize at pre-1980 levels, says study
While Earth's ozone
layer is slowly being replenished following an int...ic Administration. But by the end of the century, ozone
levels could be slightly higher or slightly lower than before 1980 because of high natural variabili...
Indoor air purifiers that produce even small amounts of ozone may be risky for health
...ir purifier that produces even a few milligrams of ozone
per hour can create an ozone
level that exceeds public health standards, researchers at UC Irvine have found. Scientists also dis...
Many cleaners, air fresheners may pose health risks when used indoors
...llutants formed when some of the products mix with ozone
may exceed regulatory guidelines when a large sur...ls in consumer products that contribute to outdoor ozone
formation. However, now we've learned that we need to pay attention to other aspects of pollution so...
UCI scientists find chlorine may contribute to ozone formation
...uld be responsible for 10 percent or more of daily ozone
production in local air, research at UC Irvine has...ve to eight parts per billion of the maximum daily ozone
level, which in California typically ranges between 40 and 80 parts per billion. "Chlorine chemistry...
UT Southwestern allergist offers coping strategies for relief from summer allergens
...or summer, it will be grass pollen along with high ozone
levels combining for a one-two punch," said Dr. David Khan, associate professor of internal medicine at UT Southwestern Medical Center. "In July, cedar elm will appear." While heat doesn't influence the amount of pollen in the air, it does aid in the...
Washington, DC getting a summertime air quality exam
...om the experiment about the daily rise and fall of ozone
pollution, which involves a complex interplay betw... of strong winds during the night on surface-level ozone
formation," says Howard's Everette Joseph, who leads the university's team of scientists and student...
Mercury pollution threatens health worldwide, scientists say
... is being confounded by climate change, increasing ozone
levels and other non-mercury factors that may affect how long mercury stays in the atmosphere and how and where it falls. Risks to humans, fish, and wildlife: There is solid scientific evidence to show that methylmercury has toxic effects, part...
Just breathe: Ozone forecaster unveiled at University of Houston, available via Web
...recasting system that provides air quality data on ozone
conditions. With the intent to not only increa...he Houston and Dallas metropolitan areas. "Our ozone
forecaster is more localized than others and goes into further detail," said Daewon Byun, director o...