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News articles about "Ozone"

New planetary dashboard shows 'great acceleration' in human activity since 1950

Human activity predominantly the global economic system is now the prime driver of change in the Earth System the sum of our planet's interacting physical chemical biological and human processes according to a set of ... - Read More

Nearly half the systems crucial to stability of planet compromised

Almost half of the processes that are crucial to maintaining the stability of the planet have become dangerously compromised by human activity That is the view of an international team of 18 researchers who provide ... - Read More

More sun means fewer children, grandchildren, Norwegian study finds

A new study from the Norwegian University of Science and Technology shows that increased UV radiation can have an effect on human fertility over generations Gine Roll Skjærvø at the Norwegian University of Science and ... - Read More

Deep Space Climate Observatory to provide 'EPIC' views of Earth

NASA has contributed two Earth science instruments for NOAA's space weather observing satellite called the Deep Space Climate Observatory or DSCOVR set to launch in January 2015. One of the instruments called EPIC or Earth ... - Read More

Switching to vehicles powered by electricity from renewables could save lives

Driving vehicles that use electricity from renewable energy instead of gasoline could reduce the resulting deaths due to air pollution by 70 percent This finding comes from a new life cycle analysis of conventional and ... - Read More

Air pollution down thanks to California's regulation of diesel trucks

Ever wonder what's in the black cloud that emits from some semi trucks that you pass on the freeway Lawrence Berkeley National Laboratory Berkeley Lab scientist Thomas Kirchstetter knows very precisely what's in there having ... - Read More

No laughing matter: Nitrous oxide rose at end of last ice age

Nitrous oxide N2O is an important greenhouse gas that doesn't receive as much notoriety as carbon dioxide or methane but a new study confirms that atmospheric levels of N2O rose significantly as the Earth came ... - Read More

Fracking and pollution: Technology-dependent emissions of gas extraction in the US

Not all boreholes are the same Scientists of the Karlsruhe Institute of Technology KIT used mobile measurement equipment to analyze gaseous compounds emitted by the extraction of oil and natural gas in the USA For ... - Read More

Upsetting the stability of super-small gold clusters generates multifaceted nanocrystals with potent catalytic properties

A*STAR researchers have devised a way to destabilize gold nanoclusters so that they form tiny atomic nuclei that then grow together into perfectly proportioned 12 sided dodecahedron crystals These unique polyhedra have energy rich surfaces ... - Read More

Clean smell doesn't always mean clean air

Some of the same chemical reactions that occur in the atmosphere as a result of smog and ozone are actually taking place in your house while you are cleaning A researcher in Drexel's College of ... - Read More

Solar activity impacts polar ozone

The increase in greenhouse gases explains to a large extent the rise in the average temperature of Earth According to the research study published in Nature Communications today the Sun affects middle atmosphere ozone with ... - Read More

Antarctic sea ice reaches new record maximum

Sea ice surrounding Antarctica reached a new record high extent this year covering more of the southern oceans than it has since scientists began a long term satellite record to map sea ice extent in ... - Read More

Atmospheric chemistry hinges on better physics model

New theoretical physics models could help us better grasp the atmospheric chemistry of ozone depletion Indeed understanding photoabsorption of nitrous oxide N2O a process which involves the transfer of the energy of a photon to ... - Read More

Wintertime ozone pollution in Utah oil and gas fields explained

Chemicals released into the air by oil and gas exploration extraction and related activities can spark reactions that lead to high levels of ozone in wintertime high enough to exceed federal health standards according to ... - Read More

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

High-altitude balloon over Ontario, Canada: Researchers measure ozone-depleting bromine

How much does bromine affect stratospheric ozone Answering this question is the primary objective of measurements by a multi instrument gondola carried by a high altitude balloon The gondola accommodates a unique combination of remote ... - Read More

How conversion of forests to cropland affects climate

The conversion of forests into cropland worldwide has triggered an atmospheric change that while seldom considered in climate models has had a net cooling effect on global temperatures according to a new Yale study Writing ... - Read More

Carbon dioxide concentration surges: Record greenhouse gas levels impact atmosphere and oceans, WMO report finds

The amount of greenhouse gases in the atmosphere reached a new record high in 2013 propelled by a surge in levels of carbon dioxide This is according to the World Meteorological Organization's annual Greenhouse Gas ... - 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

Green planning needed to maintain city buildings

Green spaces in towns and cities need extra consideration as they may be damaging buildings in the area according to new research from the Universities of Southampton and Surrey When organic chemicals from trees and ... - Read More
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