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Heavy Metals and Hydroelectricity
Aug. 1, 2014 — Hydraulic engineering is increasingly relied on for hydroelectricity generation. However, redirecting stream flow can yield unintended consequences. Researchers from the U.S. and Peru have documented ... full story -
Wildfires and Other Burns Play Bigger Role in Climate Change
July 31, 2014 — Research demonstrates that it isn't just the carbon dioxide from biomass burning that's the problem. Black carbon and brown carbon maximize the thermal impacts of such fires. They ... full story -
Antarctic Ice Sheet Is Result of Carbon Dioxide Decrease, Not Continental Breakup
July 30, 2014 — Climate modelers have shown that the most likely explanation for the initiation of Antarctic glaciation during a major climate shift 34 million years ago was decreased carbon dioxide levels. The ... full story -
Decades-Old Amber Collection Offers New Views of a Lost World: Tiny Grasshopper Encased in Amber
July 30, 2014 — Scientists are searching through a massive collection of 20-million-year-old amber found in the Dominican Republic more than 50 years ago, and the effort is yielding fresh insights into ancient ... full story -
Mercury's Bizzare Magnetic Field Tells Scientists How Its Interior Is Different from Earth's
July 30, 2014 — Mercury's interior is different from the Earth's interior in a way that explains Mercury's bizarre magnetic field, planetary physicists report. Measurements from NASA's Messenger ... full story -
Huge Waves Measured for First Time in Arctic Ocean
July 29, 2014 — The first measurements of waves in the middle of the Arctic Ocean recorded house-sized waves during a September 2012 storm. More sensors are going out this summer to study waves in newly ice-free ... full story -
Lead Pollution Beat Explorers to South Pole, Persists Today
July 28, 2014 — Norwegian explorer Roald Amundsen became the first man to reach the South Pole in December 1911. More than 100 years later, an international team of scientists has proven that air pollution from ... full story -
Synchronization of North Atlantic, North Pacific Preceded Abrupt Warming, End of Ice Age
July 24, 2014 — Scientists have long been concerned that global warming may push Earth's climate system across a 'tipping point,' where rapid melting of ice and further warming may become irreversible ... full story -
Alaska Frogs Reach Record Lows in Extreme Temperature Survival
July 22, 2014 — "Alaska wood frogs spend more time freezing and thawing outside than a steak does in your freezer, and the frog comes back to life in the spring in better shape than the steak," said the ... full story -
Global Temperature Reaches Record High in June Following Record Warmth in May
July 22, 2014 — According to NOAA scientists, the globally averaged temperature over land and ocean surfaces for June 2014 was the highest for June since record keeping began in 1880. It also marked the 38th ... full story -
Is Antarctic Sea Ice Cover Really Setting Record Highs? Processing Errors May Be Confusing the Matter
July 22, 2014 — Antarctic sea ice may not be expanding as fast as previously thought, new research suggests. A team of scientists say much of the increase measured for Southern Hemisphere sea ice could be due to a ... full story -
Mammoth and Mastodon Behavior Was Less Roam, More Stay at Home
July 21, 2014 — Their scruffy beards weren't ironic, but there are reasons mammoths and mastodons could have been the hipsters of the Ice Age. According to new research, the famously fuzzy relatives of ... full story -
Global Warming 'Pause' Since 1998 Reflects Natural Fluctuation
July 21, 2014 — Statistical analysis of average global temperatures between 1998 and 2013 shows that the slowdown in global warming during this period is consistent with natural variations in temperature, according ... full story -
Oceans Vital for Possibility for Alien Life
July 20, 2014 — Researchers have made an important step in the race to discover whether other planets could develop and sustain life. New research shows the vital role of oceans in moderating climate on Earth-like ... full story -
A 10-Year Endeavor: NASA's Aura and Climate Change
July 18, 2014 — Celebrating its 10th anniversary this week, NASA's Aura satellite and its four onboard instruments measure some of the climate agents in the atmosphere, including greenhouse gases, clouds and ... full story -
Catastrophic Debris Avalanches: A Second Volcanic Hazard
July 18, 2014 — Volcanic hazards aren't limited to eruptions. Debris avalanche landslides can also cause a great deal of damage and loss of life. Stratovolcanoes, with their steep, conical shapes made up of ... full story -
Climate-Cooling Arctic Lakes Soak Up Greenhouse Gases, Study Shows
July 16, 2014 — Arctic thermokarst lakes stabilize climate change by storing more greenhouse gases than they emit into the atmosphere, a new study shows. Found in the Arctic and cold mountain regions, thermokarst ... full storyMore: -
Tracking the Breakup of Arctic Summer Sea Ice
July 16, 2014 — An international team has placed sensors on and under Arctic sea ice to monitor this season's retreat. Scientists hope to understand the physics of the ice edge in order to predict summer ... full story -
NASA’s High-Flying Laser Altimeter to Check out Summer Sea Ice and More
July 11, 2014 — Sea ice in summer looks dramatically different than sea ice in winter, even in the polar Arctic. Summer snowmelt, pools of water on thinning ice and exposed ocean replace vast winter expanses of ... full story -
Polar Bears from Space: Satellite Imagery a Promising Tool to Monitor Arctic Polar Bears
July 9, 2014 — The potentially severe impacts of climate change in the Arctic may threaten regional wildlife. Scientists trying to develop efficient and effective wildlife monitoring techniques to track Arctic ... full story
- Antarctic ice sheet is result of carbon dioxide decrease, not continental breakup
- Decades-old amber collection offers new views of a lost world: Tiny grasshopper encased in amber
- Mercury's bizzare magnetic field tells scientists how its interior is different from Earth's
- Alaska frogs reach record lows in extreme temperature survival
- Global temperature reaches record high in June following record warmth in May
- Is Antarctic sea ice cover really setting record highs? Processing errors may be confusing the matter
- Mammoth and mastodon behavior was less roam, more stay at home
- Global warming 'pause' since 1998 reflects natural fluctuation
- A 10-year endeavor: NASA's Aura and climate change
- Catastrophic debris avalanches: A second volcanic hazard
- Climate-cooling Arctic lakes soak up greenhouse gases, study shows
- Tracking the breakup of Arctic summer sea ice
- Polar bears from space: Satellite imagery a promising tool to monitor arctic polar bears
- Shark teeth analysis provides detailed new look at Arctic climate change
- Ancient Arctic sharks tolerated brackish water 50 million years ago
- Whaling logbooks could hold key to retreating Arctic ice fronts
- More carbohydrates make trees more resistant to drought
- Finding elusive emperor penguins: Both surveyors and satellites needed to study remote penguin populations
- Earlier snowmelt prompting earlier breeding of Arctic birds
- Study links Greenland ice sheet collapse, sea level rise 400,000 years ago
- Understanding the ocean's role in Greenland glacier melt
- Cold exposure stimulates beneficial brown fat growth
- Identifying opposite patterns of climate change: Hydrologic seesaw over the past 550,000 years
- A call to better protect Antarctica: Human activity threatening continent
- Discovery of Earth's northernmost perennial spring
- Antarctic species dwindle as icebergs batter shores year-round
- Rise and fall of prehistoric penguin populations charted
- The 'microbial garden' taking the shine off glaciers
- Earth is around 60 million years older than previously thought -- and so is the moon, new research finds
- First atlas of Inuit Arctic trails launched
- Major West Antarctic glacier melting from geothermal sources
- Echoes of ancient Earth identified by scientists?
- Solving the puzzle of ice age climates: Southern Ocean and explanation for 'Last Glacial Maximum'
- Prenatal maternal stress predicts asthma and autism traits in 6 1/2-year-old children
- Humpback whale subspecies revealed by genetic study
- Fossils prove useful in analyzing million year old cyclical phenomena
- Climate change, forest fires drove widespread surface melting of Greenland ice sheet
- Antarctica's ice losses on the rise
- Richest marine reptile fossil bed along Africa's South Atlantic coast is dated at 71.5 mya
- West Antarctic Ice Sheet collapse is under way
- Fossil palm beetles 'hind-cast' 50-million-year-old winters
- Comet theory false: Doesn't explain Ice Age cold snap, Clovis changes, animal extinction
- Greenland melting due equally to global warming, natural variations
- Detecting oil spills sandwiched in Arctic ice
- Climate change study reveals unappreciated impacts on biodiversity
- Amphibians in a vice: Climate change robs frogs, salamanders of refuge
- Network for tracking earthquakes exposes glacier activity: Accidental find offers big potential for research on Alaska's glaciers
- Increased infrastructure required for effective oil spill response in U.S. Arctic
- Scientists identify source of mysterious sound in the Southern Ocean
- Fiction prepares us for a world changed by global warming
- Today's Antarctic region once as hot as California, Florida
- Krypton used to accurately date ancient Antarctic ice
- More questions than answers as mystery of domestication deepens
- Vitamin B3 might have been made in space, delivered to Earth by meteorites
- There's something ancient in the icebox: Three-million-year-old landscape beneath Greenland Ice Sheet
- Methane climate change risk suggested by proof of redox cycling of humic substances
- Study shows lasting effects of drought in rainy Eastern U.S.
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