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have developed a simulator able to predict tropospheric ozone concentrations across the whole of South and East Asia. Tropospheric ozone is the main cause of photochemical smog, an atmospheric pollutant harmful to human health and plant growth. Toyota Motor Corporation (TMC) and Toyota Central R&D Labs.,
Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Trends in daily maximum ozone levels (known as 4MDA8) at urban and non-urban sites.
The study was published in the journal Atmospheric Environment. Eleven years have passed since the last time a similar study was conducted, and there has been a strong growth in the aviation sector since then, particularly in Asia. Aviation accounts for 3.5% —Marianne Tronstad Lund, co-author. Pitari, M.J. Prather, R.
Emissions of one of the chemicals most responsible for the Antarctic ozone hole are on the rise, despite an international treaty that required an end to its production in 2010, a new study by researchers at NOAA and their colleagues shows. Measurements from Hawaii indicate the sources of the increasing emissions are likely in eastern Asia.
Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. —Jin et al.
This scenario is particularly relevant in Asia, home to the world’s largest concentration of megacities. The transport and transformation of plumes from selected European and Asian major population centers (MPCs) will now be investigated with special focus on the rate of formation of ozone and aerosols. —Joohn Burrows.
When ethane and propane—the most abundant non-methane hydrocarbons (NMHC) in the atmosphere—mix with nitrogen oxides from vehicles and power plants they form tropospheric ozone—a key component of smog and directly linked to increases in mortality. —Professor Ally Lewis, a co-author of the study.
The report released by the United Nations Environment Programme (UNEP), entitled Climate Change Science Compendium 2009 , highlights new research that identifies some events thought likely to occur in longer-term time horizons as already happening or set to happen far sooner than had previously been thought. Earlier post.).
Our results do not indicate that biofuels produced from crops grown in Sweden currently lead to indirect land use changes, e.g. land clearance in South America or Asia. Pål Börjesson, researcher in Environment and Energy Systems at Lund University. We have calculated as fairly as possible and based on as similar conditions as possible.
They found that levels of pollutants that can contribute to the formation of ground-level ozone, or smog, have failed to continue a fairly steady decline as estimated by the US Environmental Protection Agency. These results show that meeting future air quality standards for ozone pollution will be more challenging than previously thought.
positive or negative—and magnitude of net climate forcing from BC emissions), currently available scientific and technical information provides a strong foundation for making mitigation decisions to achieve lasting benefits for public health, the environment, and climate. Earlier post.). Source: EPA.
Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and The climate change benefit is estimated for a given year (2050) and human health and crop benefits are.
Skip to Content Massively explains Warhammer Online to the dedicated WoW player AOL Tech Europe ↓ Polska Deutschland Asia ↓ ???? ???? ??? ???? Nuclear waste is a problem much harder to solve than CO2, and dams have quite an impact in the environment. 7, 1990) Emissions from cars dwarfs that from power plants. :p
of all global deaths) caused by outdoor fine particulate air pollution and an additional 215,000 deaths from exposure to ozone. million deaths, 64% were in Asia, especially China and India. They found that in 2013 there were 2.9 million deaths (5.3% million deaths in 2013. Taken together, air pollution caused 5.5 Of these 2.9
Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather? about 0.6 °C.
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