Tag Archives: climate change

A record Arctic melt

By Stephen Ornes / September 10, 2012

Arctic sea ice forms in the ocean, unlike glaciers and icebergs that form from land-based freshwater.

Credit: Andy Mahoney, National Snow and Ice Data Center

Satellites show summer 2012 sea ice covering the Arctic Ocean shrunk to a record low

Posted in Weather & Climate | Tagged Arctic ocean, Arctic sea ice, Arctic sea ice minimum, climate, climate change, environmental science, getinvolved, glacier, global warming, iceberg, Mark Serreze, National Snow and Ice Data Center, NSIDC, satellites, sea ice, temperature, Walt Meier

Iron versus climate change

By Roberta Kwok / August 9, 2012

A tiny organism called a diatom can absorb carbon dioxide from the atmosphere and carry the carbon to the bottom of the ocean. Credit: Marina Montresor, SZN / Alfred Wegener Institute.

Metal deposits can promote the growth of ocean algae that gobble greenhouse gas

Posted in Earth | Tagged algae, bacteria/protists/fungi, carbon dioxide, climate change, diatom, Diatoms, energetics, getinvolved, global warming, iron, iron fertilization, nature, oceanography, photosynthesis, silica, southern ocean

Weird weather

By Roberta Kwok / August 3, 2012

Texas soil cracked by a prolonged drought. Scientists are beginning to link such extreme weather events to global warming. Credit: © Ann Worthy, iStockphoto

Global warming helped trigger heat waves and droughts last year

Posted in Uncategorized | Tagged American Meteorological Society, Chris Funk, climate change, crop losses, David Rupp, East African drought, getinvolved, global warming, greenhouse effect, La Nina, Oregon State University, severe weather, starvation, Texas drought, Thailand flooding, U.S. Geological Survey, USGS

Mammals feel the heat

By Stephen Ornes / June 5, 2012

Scientists say squirrel monkeys may not be able to move to new habitats fast enough to keep up with climate change. Credit: Dave Pape/Wikimedia Commons

Scientists predict some animals won’t be able to keep up with Earth’s increasing temperatures

Posted in Animals | Tagged Amazon, anteater, armadillo, climate change, getinvolved, global warming, habitat, mammal, mole, monkey, Nina Hewitt, shrew, sloth

Cool Jobs: People with a taste for chemistry

By Catherine M. Cooney / May 30, 2012

Chemists contribute to food flavorings, fuel extraction and everything in between

Posted in Chemistry, STEM Careers | Tagged alchemy, analytical chemistry, chemistry, chemistry careers, chromatography, climate change, cool jobs, Dana Sanza, feature, flavor, food chemistry, fossil fuel, fossils, geochemistry, sediment, synthesis

Slowing ice flows

By Stephen Ornes / May 29, 2012

These icebergs in Greenland probably broke off the floating end of a glacier. Scientists study such ice formations to learn about climate change. Credit: Ian Joughin/University of Washington

New satellite study of glacier motion shows stop-and-go ice movement

Posted in Earth | Tagged climate change, getinvolved, glaciers, glaciology, Greenland, ice sheet, sea level, Twila Moon, University of Washington

Climate coolers

By Stephen Ornes / January 25, 2012

Reducing methane, soot in the atmosphere could curb climate change

Posted in Environment & Pollution | Tagged climate change, ecology, fossil fuel, getinvolved, global warming, methane, natural gas

Life beneath the ‘berg

By Stephen Ornes / June 1, 2011

Icebergs support thriving communities of living organisms above and below the water’s surface.

Scientists find Antarctic icebergs play a new and bigger role in the climate cycle

Posted in Environment & Pollution, Uncategorized | Tagged climate change, food chain, Fossil fuels, getinvolved, open ocean

Sea changes

By Stephen Ornes / April 7, 2011

Blue patches indicate parts of the ocean that are more acidic than the yellow and red areas. Stars show coral reefs, which can lose their skeletons in more acidic water.

Carbon dioxide is making the oceans more acidic

Posted in Earth | Tagged acid, acids and bases, calcium carbonate, carbon dioxide, chem of life, climate change, coral reefs, ecology, Fossil fuels, invertebrates, Marine snail, Ocean, Ocean acidification, pH, sea changes, solutions, water

A global warming flap

By Stephen Ornes / January 19, 2010

Differences in butterfly and moth breeding patterns are linked to a changing climate

Posted in Environment & Pollution | Tagged Adaptation, climate change, evolution

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