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Global warming may not have ended Ice-Age, says research
Scientists at the University of Sheffield have used fossilised leaves to determine the effect of greenhouse gases on the end of the Ice Age 300m years ago, according to an article published in PNAS. The study, led by Professor David Beerling, examined fossilised leaves to determine how much carbon dioxide was in the air at various periods during... view more... (2002-09-12)
Up, Up and Away: Studying Volcanoes With Balloon
People do all kinds of crazy things in Hawaii, but flying balloons over a volcano usually isn't one of them. Unless you're Adam Durant, that is. view more (2008-08-15)
Air pollution affects respiratory health in children with asthma
A new study reports that inner-city children with asthma may be particularly vulnerable to air pollution at levels below current air quality standards. view more (2008-04-16)
No quick or easy technological fix for climate change, researchers say
Global warming, some have argued, can be reversed with a large-scale "geoengineering" fix, such as having a giant blimp spray liquefied sulfur dioxide in the stratosphere or building tens of millions of chemical filter systems in the atmosphere to filter out carbon dioxide. view more (2008-12-18)
UA scientists part of Supreme Court case on carbon dioxide emissions
Four faculty members from The University of Arizona in Tucson were part of an amicus curiae brief supporting the plaintiff in today's historic U.S. Supreme Court decision on carbon dioxide emissions and climate change. view more (2007-04-03)
Study shows maritime shipping makes hefty contribution to air pollution
Commercial ships emit almost half as much particulate pollutants into the air globally as the total amount released by the world's cars, according to a new study led by the National Oceanic and Atmospheric Administration and the University of Colorado at Boulder. view more (2009-02-27)
New Satellite Data Reveal Impact of Olympic Pollution Controls
Chinese government regulators had clearer skies and easier breathing in mind in the summer of 2008 when they temporarily shuttered some factories and banished many cars in a pre-Olympic sprint to clean up Beijing's air. And that's what they got. view more (2008-12-17)
Arctic expedition will investigate alien-like glacier
A scientific expedition to a remote glacier field in Canada's High Arctic may help researchers unlock the secrets about the beginning of life and provide insights for future exploration of our solar system. view more (2006-06-14)
A new measure of global warming from carbon emissions
Damon Matthews, a professor in Concordia University's Department of Geography, Planning and the Environment has found a direct relationship between carbon dioxide emissions and global warming. view more (2009-06-11)
Methane-eating microbes can use iron and manganese oxides to 'breathe'
Iron and manganese compounds, in addition to sulfate, may play an important role in converting methane to carbon dioxide and eventually carbonates in the Earth's oceans, according to a team of researchers looking at anaerobic sediments. view more (2009-07-10)
Higher carbon dioxide, lack of nitrogen limit plant growth
Earth's plant life will not be able to "store" excess carbon from rising atmospheric carbon dioxide levels as well as scientists once thought because plants likely cannot get enough nutrients, such as nitrogen, when there are higher levels of carbon dioxide view more (2006-04-13)
Climate change and the rise of atmospheric oxygen
Today's climate change pales in comparison with what happened as Earth gave birth to its oxygen-containing atmosphere billions of years ago. view more (2006-03-23)
Role of Silica in Climate Cycles
New research from the University of East Anglia (UEA) has demonstrated that the compound silica was not solely responsible for changes in carbon dioxide levels during past Ice Ages. It is already known from scientific research that during past Ice Ages increased amounts of silica, a common component of wind-blown dust, were deposited in the ocean.... view more... (2001-06-21)
New catalysts may create more, cheaper hydrogen
A new class of catalysts created at the U.S. Department of Energy's Argonne National Laboratory may help scientists and engineers overcome some of the hurdles that have inhibited the production of hydrogen for use in fuel cells. view more (2007-08-22)
NASA probes the sources of the world's tiny pollutants
Pinpointing pollutant sources is an important part of the ongoing battle to improve air quality and to understand its impact on climate. Scientists using NASA data recently tracked the path and distribution of aerosols — tiny particles suspended in the air — to link their region of origin and source type with their tendencies to warm... view more... (2007-01-31)
Methane from microbes: a fuel for the future
Microbes could provide a clean, renewable energy source and use up carbon dioxide in the process, suggested Dr James Chong at a Science Media Centre press briefing today. view more (2007-12-11)
Tiny 'cages' could trap carbon dioxide and help stop climate change
A natural physical process has been identified that could play a key role in secure sub-seabed storage of carbon dioxide produced by fossil-fuelled power stations. view more (2006-03-17)
Iron 'snow' helps maintain Mercury's magnetic field, scientists say
New scientific evidence suggests that deep inside the planet Mercury, iron "snow" forms and falls toward the center of the planet, much like snowflakes form in Earth's atmosphere and fall to the ground. view more (2008-05-08)
KTH research: Increased combustion reduces carbon dioxide emissions
New, previously overlooked technology could dramatically reduce emissions of carbon dioxide. Bio-energy facilities that capture carbon dioxide from combustion gases would even make it possible to reduce the amount of carbon dioxide in the atmosphere. The idea of capturing carbon dioxide and storing it in bedrock is not actually new. In recent... view more... (2001-11-23)
EARLY PROMISE OF SIMPLE TEST FOR DIAGNOSING MALIGNANT HYPERTHERMIA (p 1579)
German authors of a research letter in this week’s issue of THE LANCET describe the potential of a straightforward test for identifying people at risk of the often fatal reaction to general anaesthetics, a syndrome known as malignant hyperthermia. Malignant hyperthermia (MH) is a chain-reaction event triggered in susceptible individuals by... view more... (2002-05-01)
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