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Category: Atmospheric Science

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29 June 2011 | ScienceNOW

Did Australian Aborigines Change the Weather?

by Sid Perkins
When the first European settlers arrived in Australia in the 17th century, they observed a strange farming practice among the natives. The aborigines routinely burned grasslands and vegetation in many...
27 June 2011 | ScienceNOW

ScienceShot: Contrails Warm the Globe

by Sid Perkins
Ice clouds that form in airplane wakes trap infrared radiation
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22 June 2011 | ScienceNOW

When Islands Rose, Australian Rainforests Fell

by Sid Perkins
Formation of the Indonesian archipelago changed climate of Western Australia
14 June 2011 | ScienceNOW

ScienceShot: Volcano CO2 Emissions No Match for Human Activity

by Sid Perkins
In as little as 2 days, smokestacks, tailpipes, and other human sources spew a year's worth of volcanic greenhouse gas
29 March 2011 | ScienceNOW

ScienceShot: Jet Contrails a Big Global Warmer

by Sid Perkins
Contrails warm the planet more than planes' carbon dioxide emissions do
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9 March 2011 | ScienceNOW

A Warmer Climate May Not Mean El Niño Comes to Stay

by Sid Perkins
New study of fossil corals challenges claims that a warmer future will bring a permanent El Niño weather pattern
16 February 2011 | ScienceNOW

Rising Temperatures Bringing Bigger Floods

by Sid Perkins
Study suggests that CO2 emissions have boosted risk of intense precipitation and consequent flooding
10 January 2011 | ScienceNOW

Rising Seas Look Inevitable

by Sid Perkins
Effects of global warming will persist, even if we stop emitting greenhouse gases
15 December 2010 | ScienceNOW

How to Save Polar Bears

by Erik Stokstad
Reducing greenhouse gas emissions and improving management might boost populations
14 December 2010 | ScienceNOW

ScienceShot: Twisters Spread Out

by Sid Perkins
Researchers argue for expansion of "Tornado Alley"
10 December 2010 | ScienceNOW

NASA: 2010 Meteorological Year Warmest Ever

by Eli Kintisch
Temperatures higher than previous record holder, 2005
15 September 2010 | ScienceNOW

Record Hot Summer Wreaks Havoc

by Eli Kintisch
High temperatures imperil coral, Arctic ice
12 July 2010 | ScienceNOW

Amazon Hit by Its Own Katrina

by Phil Berardelli
Severe storm mowed down vast swaths of rainforest
22 June 2010 | ScienceNOW

Space Weather Signal Buried in X-ray Noise

by Phil Berardelli
Accidental find could lead to real-time pictures of solar-wind effects
14 June 2010 | ScienceNOW

ScienceShot: How Planes Make Rain

by Phil Berardelli
Study explains curious hole-punch pattern in clouds near airports
9 June 2010 | ScienceNOW

New Experiments Rattle Space Weather Research

by Phil Berardelli
"Aurora in a lab" reveals flaws in a 25-year-old standard model
23 April 2010 | ScienceNOW

Did Monster Eruptions Warm the World?

by Phil Berardelli
Undersea volcanoes may have flooded the air with methane and spiked global temperatures
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19 April 2010 | ScienceNOW

Iceland’s Volcano Proving Tough to Predict

by Richard A. Kerr
Eyjafjallajökull isn't behaving well, and that could be bad for the island's future
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16 April 2010 | ScienceNOW

From the Archives: Iceland's Doomsday Scenario?

by Richard Stone
Research into a 1783 eruption raises concerns that include fluoride poisoning and widespread air pollution
14 April 2010 | ScienceNOW

Calm Sun Is Bringing a Chill to England

by Adam Mann
Scientists tie cold winters to decreased solar activity
8 April 2010 | ScienceNOW

ScienceShot: Halfway Round the World on a Single Tank of Gas

by Richard A. Kerr
Autonomous plane doubles the reach of atmospheric scientists
5 April 2010 | ScienceNOW

East Coast Winds Would Support a Stable Power Grid

by Phil Berardelli
Regionally interconnected turbines could supply power for much of the country
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18 March 2010 | ScienceNOW

Burn the Brush, Save Carbon Dioxide

by Phil Berardelli
Limited forest fires can keep more carbon locked up in the big trees
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10 March 2010 | ScienceNOW

Catalyst for Coastal Smog Shows Up Inland

by Phil Berardelli
Wayward chlorine compound could complicate pollution-fighting efforts
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24 February 2010 | ScienceNOW

Tropical Cyclones Turn Up the Heat

by Phil Berardelli
Computer simulations show a link between the storms, ocean warming, and El Niño
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20 February 2010 | ScienceNOW

The Latest on Hacking the Planet

by Eli Kintisch
Scientists discuss the pros and cons of the controversial field of geoengineering
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4 February 2010 | ScienceNOW

Can Thin Mountain Air Make You Slim?

by Jennifer Couzin-Frankel
High living--in the topographical sense--causes weight loss, a study suggests
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13 January 2010 | ScienceNOW

Exclusive: 2009 Hottest Year on Record in Southern Hemisphere

by Eli Kintisch
While northern latitudes chill, tropics and Southern Hemisphere continue warming
Picture of globes
7 January 2010 | ScienceNOW

Southern Winds Help Stash Earth's Carbon Dioxide

by Phil Berardelli
Process removes greenhouse gases but could be vulnerable to climate change
Picture of sky
10 December 2009 | ScienceNOW

Alien Gases in Our Atmosphere

by Phil Berardelli
Research shows some of Earth's air came from outer space
Picture of lobsters and crabs
1 December 2009 | ScienceNOW

Acidic Oceans May Be a Boon for Some Marine Dwellers

by DeLene Beeland
Falling ocean pH might help some marine animals build stronger skeletons and shells
Picture of coral skeleton
30 November 2009 | ScienceNOW

Coral Reefs Act Like Sunscreen

by Charles Choi
Skeletons absorb UV light to protect inhabitants
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4 November 2009 | ScienceNOW

Pushing Earth With a Breath of Air

by Phil Berardelli
Atmospheric tides can nudge landslides along
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26 October 2009 | ScienceNOW

Cutting Carbon Emissions, One Household at a Time

by Phil Berardelli
Researchers find that energy-efficiency measures also curb carbon footprints
Picture of Hurricane Ike
9 September 2009 | ScienceNOW

Larger Hurricanes Kick Up More Twisters

by Phil Berardelli
Link found between hurricane size and tornado frequency in Gulf Coast
Picture of thundercloud
24 August 2009 | ScienceNOW

Upward Lightning No Flash in the Pan

by Phil Berardelli
Some powerful bolts reach from cloud tops to the edge of space
Picture of solar storm
5 August 2009 | ScienceNOW

Do Clouds Come From Outer Space?

by Phil Berardelli
Findings suggest cosmic rays contribute to overcast skies on Earth
Picture of tsunami
27 July 2009 | ScienceNOW

Catching a Giant Wave

by Phil Berardelli
New insights into tsunami behavior may help researchers better track them with radar
Picture of chart
24 July 2009 | ScienceNOW

Humans Emulate Volcanoes in the Stratosphere

by Richard A. Kerr
Surge in coal burning may be noticeably dirtying the upper atmosphere
Picture of raindrop
20 July 2009 | ScienceNOW

How a Raindrop Is Like an Exploding Parachute

by Karen Fox
High-speed videos reveal secret to raindrop size
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