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News articles about "Atmosphere"

Emperor penguin in peril: Climate change threatens dramatic declines

An international team of scientists studying Emperor penguin populations across Antarctica finds the iconic animals in danger of dramatic declines by the end of the century due to climate change Their study published today in ... - Read More

Ancient Arctic sharks tolerated brackish water 50 million years ago

Sharks were a tolerant bunch some 50 million years ago cruising an Arctic Ocean that contained about the same percentage of freshwater as Louisiana's Lake Ponchatrain does today says a new study involving the University ... - Read More

Insights from nature for more efficient water splitting

Water splitting is one of the critical reactions that sustain life on earth and could be a key to the creation of future fuels It is a key in the process of photosynthesis through which ... - Read More

Ancient ocean currents may have changed pacing and intensity of ice ages: Slowing of currents may have flipped switch

For decades climate scientists have tried to explain why ice age cycles became longer and more intense about 900 000 years ago switching from 41 000 year cycles to 100 000 year cycles In a ... - Read More

To address climate change, nothing substitutes for reducing carbon dioxide emissions

The politically expedient way to mitigate climate change is essentially no way at all according to a comprehensive new study by University of Chicago climatologist Raymond Pierrehumbert Among the climate pollutants humans put into the ... - Read More

Emperor penguin in peril

An international team of scientists studying Emperor penguin populations across Antarctica finds the iconic animals in danger of dramatic declines by the end of the century due to climate change Their study published today in ... - Read More

Team develops a geothermometer for methane formation

Methane is a simple molecule consisting of just one carbon atom bound to four hydrogen atoms But that simplicity belies the complex role the molecule plays on Earth it is an important greenhouse gas is ... - Read More

Snowballs to soot: The clumping density of many things seems to be a standard

Particles of soot floating through the air and comets hurtling through space have at least one thing in common 0.36. That reports a research group at the National Institute of Standards and Technology NIST is ... - Read More

No limits to human effects on clouds

Understanding how clouds affect the climate has been a difficult proposition What controls the makeup of the low clouds that cool the atmosphere or the high ones that trap heat underneath How does human activity ... - Read More

Climate change: Termites, fungi play more important role in decomposition than temperature

Climate change models could have a thing or two to learn from termites and fungi according to a new study released this week For a long time scientists have believed that temperature is the dominant ... - Read More

Saving trees in tropics could cut emissions by one-fifth, study shows

Reducing deforestation in the tropics would significantly cut the amount of carbon dioxide emitted into the atmosphere by as much as one fifth research shows In the first study of its kind scientists have calculated ... - Read More

Effect of Bilbao atmosphere on Chillida's sculptures

Weathering steel is a steel specially designed to resist exposure to the open air Yet in Bilbao some of the sculptures produced in this material like Eduardo Chillida's Besarkada XI and Begirari IV have not ... - Read More

Modern ocean acidification is outpacing ancient upheaval: Rate may be ten times faster

Some 56 million years ago a massive pulse of carbon dioxide into the atmosphere sent global temperatures soaring In the oceans carbonate sediments dissolved some organisms went extinct and others evolved Scientists have long suspected ... - Read More

Reducing emissions will be primary way to fight climate change, study finds

Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in Earth's atmosphere or seeding clouds to reduce the amount of light entering earth's atmosphere Those approaches to climate engineering ... - Read More

Solving the puzzle of ice age climates: Southern Ocean and explanation for 'Last Glacial Maximum'

The paleoclimate record for the last ice age a time 21 000 years ago called the Last Glacial Maximum LGM tells of a cold Earth whose northern continents were covered by vast ice sheets Chemical ... - Read More

Decomposing logs show local factors undervalued in climate change predictions

A new Yale led study challenges the long held assumption that climate is the primary driver of how quickly organic matter decomposes in different regions a key piece of information used in formulating climate models ... - Read More

Transforming hydrogen into safer liquid fuel using atmospheric carbon dioxide

Hydrogen is often touted as the fuel of the future But because this gas is highly explosive it must be stored and transported under pressure in specialized and expensive containers Hydrogen therefore has issues in ... - Read More

Engineering professor hopes to improve carbon-capture with patented technology

Less than a year after patenting a process that could improve stripping greenhouse gasses from industrial emissions a University of Alabama engineering professor was recently granted another patent that uses a different solvent to accomplish ... - Read More

Babbling brooks adding to climate change?

Studying stream bubbles isn't exactly a walk in the park What with the mud and ticks the long days hiking and swimming through mucky streams the sun exposure and scratching brush But in the end ... - Read More

Buried fossil soils found to be awash in carbon

Soils that formed on Earth's surface thousands of years ago and that are now deeply buried features of vanished landscapes have been found to be rich in carbon adding a new dimension to our planet's ... - Read More
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