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News articles about "Atmosphere"

NASA Goddard instrument makes first detection of organic matter on Mars

The team responsible for the Sample Analysis at Mars SAM instrument suite on NASA's Curiosity rover has made the first definitive detection of organic molecules at Mars Organic molecules are the building blocks of all ... - Read More

Cost of cloud brightening for cooler planet revealed

University of Manchester scientists have identified the most energy efficient way to make clouds more reflective to the sun in a bid to combat climate change Marine Cloud Brightening is a reversible geoengineering method proposed ... - Read More

Carbon-trapping 'sponges' can cut greenhouse gases

In the fight against global warming carbon capture chemically trapping carbon dioxide before it releases into the atmosphere is gaining momentum but standard methods are plagued by toxicity corrosiveness and inefficiency Using a bag of ... - 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

NASA study shows 13-year record of drying Amazon caused vegetation declines

A 13 year decline in vegetation in the eastern and southeastern Amazon has been linked to a decade long rainfall decline in the region a new NASA funded study finds With global climate models projecting ... - Read More

Abandoned wells can be 'super-emitters' of greenhouse gas

Princeton University researchers have uncovered a previously unknown and possibly substantial source of the greenhouse gas methane to Earth's atmosphere After testing a sample of abandoned oil and natural gas wells in northwestern Pennsylvania the ... - Read More

New study measures methane emissions from natural gas production and offers insights into two large sources

A team of researchers from the Cockrell School of Engineering at The University of Texas at Austin and environmental testing firm URS reports that a small subset of natural gas wells are responsible for the ... - Read More

'Family' matters when predicting ecosystems' reaction to global change

Humans are rapidly changing the look and function of earth's ecosystems from the increase of greenhouse gases to the unintentional and harmful spread of plants and animals to new environments A major challenge for ecologists ... - Read More

Greenhouse gases linked to African rainfall

Scientists may have solved a long standing enigma known as the African Humid Period an intense increase in cumulative rainfall in parts of Africa that began after a long dry spell following the end of ... - Read More

Laser sniffs out toxic gases from afar: System can ID chemicals in atmosphere from a kilometer away

Scientists have developed a way to sniff out tiny amounts of toxic gases a whiff of nerve gas for example or a hint of a chemical spill from up to one kilometer away The new ... - Read More

Traces of Martian biological activity could be locked inside a meteorite

Did Mars ever have life Does it still A meteorite from Mars has reignited the old debate An international team that includes scientists from EPFL has published a paper in the scientific journal Meteoritics and ... - Read More

Chemists identify role of soil in pollution control

Scientists have long known that air pollution caused by cars and trucks solvent use and even plants is reduced when broken down by naturally occurring compounds that act like detergents of the atmosphere What has ... - Read More

Losing air: barrage of small impacts likely erased much of the Earth’s primordial atmosphere

Today's atmosphere likely bears little trace of its primordial self Geochemical evidence suggests that Earth's atmosphere may have been completely obliterated at least twice since its formation more than 4 billion years ago However it's ... - Read More

Logging destabilizes forest soil carbon over time

Logging doesn't immediately jettison carbon stored in a forest's mineral soils into the atmosphere but triggers a gradual release that may contribute to climate change over decades a Dartmouth College study finds The results are ... - Read More

High-tech mirror beams heat away from buildings into space

Stanford engineers have invented a revolutionary coating material that can help cool buildings even on sunny days by radiating heat away from the buildings and sending it directly into space A new ultrathin multilayered material ... - Read More

Research confirms how global warming links to carbon emissions

Research has identified for the first time how global warming is related to the amount of carbon emitted A team of researchers from the universities of Southampton Bristol and Liverpool have derived the first theoretical ... - Read More

Protons fuel graphene prospects

Published in the journal Nature the discovery could revolutionise fuel cells and other hydrogen based technologies as they require a barrier that only allow protons hydrogen atoms stripped off their electrons to pass through In ... - Read More

Meteorology meets metrology: Climate research high up in the clouds

Barely has the research aircraft HALO entered the kilometre high clouds towering above the Brazilian rainforest than the researchers find themselves in a complete haze but they can rely on the measuring instruments that are ... - Read More

Permafrost soil: Possible source of abrupt rise in greenhouse gases at end of last ice age

Scientists from the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research AWI have identified a possible source of carbon dioxide CO2 and other greenhouse gases that were abruptly released to the atmosphere in ... - Read More
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