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News articles about "Climate"

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

Discrepancy in Greenland temperatures during end of last ice age resolved

A new study of three ice cores from Greenland documents the warming of the large ice sheet at the end of the last ice age resolving a long standing paradox over when that warming occurred ... - Read More

Like weeds of the sea, 'brown tide' algae exploit nutrient-rich coastlines

The sea grass beds of Long Island's Great South Bay once teemed with shellfish Clams scallops and oysters filtered nutrients from the water and flushed money through the local economy But three decades after the ... - Read More

Charting the global invasion of crop pests

Many of the world's most important crop producing countries will be fully saturated with pests by the middle of the century if current trends continue according to a new study led by the University of ... - Read More

Not all phytoplankton in the ocean need to take their vitamins

Some species of marine phytoplankton such as the prolific bloomer Emiliania huxleyi can grow without consuming vitamin B1 thiamine researchers have discovered The finding contradicts the common view that E huxleyi and many other eukaryotic ... - Read More

Southwest U.S. may face 'megadrought' this century

Because of global warming scientists say the chances of the southwestern United States experiencing a decade long drought is at least 50 percent and the chances of a megadrought one that lasts over 30 years ... - Read More

Nanodiamonds are forever: Did comet collision leave layer of nanodiamonds across Earth?

Most of North America's megafauna mastodons short faced bears giant ground sloths saber toothed cats and American camels and horses disappeared close to 13 000 years ago at the end of the Pleistocene period The ... - Read More

Wildland Fire Modeling Can Lead to Better Predictions

Released 19 Aug 2014 2 00 PM EDTSource Newsroom University of Alabama Huntsville more news from this source Contact Information Available for logged in reporters only Citations Central States Section of The Combustion Institute International ... - Read More

Combustion mechanism to better predict warming by wildfires uncovered by scientists

Scientists have uncovered key attributes of so called brown carbon from wildfires airborne atmospheric particles that may have influenced current climate models that failed to take the material's warming effects into account The work was ... - Read More

How to power California with wind, water and sun

New Stanford research outlines the path to a possible future for California in which renewable energy creates a healthier environment generates jobs and stabilizes energy prices Imagine a smog free Los Angeles where electric cars ... - Read More

Lights out: Light pollution alters reproduction cycle in lemurs

Besides obscuring the stars light pollution can also disrupt the reproduction of light sensitive animals French scientists have shown that light pollution can override the natural reproductive cycle of some animals making them sexually active ... - Read More

Ironing out details of the carbon cycle: Dissolved iron in North Atlantic traced to Sahara desert

Iron is present in tiny concentrations in seawater On the order of a few billionths of a gram in a liter I did a calculation once on a ton of ocean water says Seth John ... - Read More

Kudzu can release soil carbon, accelerate global warming

Clemson University scientists are shedding new light on how invasion by exotic plant species affects the ability of soil to store greenhouse gases The research could have far reaching implications for how we manage agricultural ... - Read More

NASA launches carbon mission to watch Earth breathe

NASA successfully launched its first spacecraft dedicated to studying atmospheric carbon dioxide at 2 56 a m PDT 5 56 a m EDT Tuesday July 1 2014 The Orbiting Carbon Observatory 2 OCO 2 raced ... - Read More

Lights out… light pollution alters reproduction cycle in lemurs

Besides obscuring the stars light pollution can also disrupt the reproduction of light sensitive animals French scientists have shown that light pollution can override the natural reproductive cycle of some animals making them sexually active ... - Read More

High carbon dioxide levels cause warming in tropics

The impact of the greenhouse gas CO2 on Earth's temperature is well established by climate models and temperature records over the past 100 years as well as coupled records of carbon dioxide concentration and temperature ... - Read More

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

Supercomputer tackles grid challenges

Big data is playing an increasingly big role in the renewable energy industry and the transformation of the nation's electrical grid and no single entity provides a better tool for such data than the Energy ... - Read More
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