Transpacific Pollution's Thick Trail
July 31 — Researchers say that Asia's expanding industrialization is discharging millions of tons of contaminants that travel across the Pacific Ocean and could alter global climate. (Sylvia Wright, Environmental News Network)

Warmer Tropical Ocean Temps Alarm Scientists
July 30 — Researchers have found tropical waters in the Southern Hemisphere have cooled slightly, but Northern Hemisphere waters have warmed, endangering coral reefs. (Curt Suplee, The Washington Post)

Remote Sensing May Help Unlock Earth's Mysteries
July 29 — More than 1,200 scientists gathered in Hawaii this week for the International Geoscience and Remote Sensing Symposium to understand how remote sensing can take the pulse of the Earth. (Helen Altonn, The Honolulu Star-Bulletin)

A Hot Blast of Cold Weather
July 28 — Scientists believe that a hot blast of solar particles may have a paradoxical effect on the atmosphere, actually cooling the Earth. (Discover)

New and Potent Greenhouse Gas Identified
July 28 — Scientists have found rising concentrations of a newly identified gas in the air that traps heat more effectively than other gasses, and may be warming the global climate. (Andrew C. Revkin, The New York Times)

Global Warming Affects Birds' Biological Clock
July 27 — Researchers in Scotland find that avian breeding may depend on springtime temperatures. (Environmental News Network)

Landsat 7 Satellite to Monitor Lakes
July 23 — Landsat 7 will observe various lakes in Wisconsin this summer to get a better measure of their clarity. (Meg Jones, Milwaukee Journal Sentinel)

Greenland is Skating on Thinner Ice
July 21 — The massive Greeland ice sheet is melting, accounting for a 7 percent rise in oceans worldwide. (Curt Suplee, The Washington Post and Associated Press)

Global Warming Threatens Health
July 18 — Climate change could bring more weather disasters which could lead to a wide range of health risks. (Seattle Times)

Scientists Suspect Undersea Landslide in New Guinea Tsnumai
July 18 — An undersea earthquake likely caused a landslide that triggered a tsnumai, researchers believe. The tidal wave killed 2,000 in New Guinea two years ago. (Bruce Dunford, Associated Press)

Climate Change, Population Threaten Water Resources
July 17 — Researchers have concluded that population growth and global climate change will adversely impact the availability of water over the next 25 years. (Environmental News Network)

Diary of a Cloud Hunter
July 15 — Cloud scientists took to the air in Oklahoma this spring to try to solve a debate about whether or not clouds are absorbing more sunlight than physics can predict. (Stephen Cole, New Scientist )

U.S. Drought Devastates Farmers in Deep South
July 15 — The drought continues for a third year in the southeastern United States, with rainfall amounts 20 inches and more below normal in some areas. (Reuters)

Study Faults Humans for Large Share of Global Warming
July 14 — A recent study concluded that human activities account for 75 percent of atmospheric warming since 1900. (Andrew C. Revkin, The New York Times)

Tidal Waves Called Threat to East Coast
July 13 — Pressurized water trapped between sediments off the Mid-Atlantic coast could escape and cause undersea landslides that may produce tidal waves. (Andrew C. Revkin The New York Times; Lee Bowman, Scripps Howard News Service; USA Today)

Eruption on Sun Triggers Radio Blackouts
July 12 — A strong solar flare bringing electromagnetic energy to Earth this week may create mid-latitudinal aurora lights and disrupt radio broadcasts. (Associated Press)

Research Predicts Summer Doom for Northern Ice Cap
July 11 — Norwegian scientists say the retreating ice cap over the North Pole could disappear each summer beginning in 50 years. (Walter Gibbs, The New York Times)

Scientists Read Leaves for Clues to Greenhouse Effect
July 11 — Researchers find carbon dioxide spurs plant growth, reduces the nutritional value of leaves, and affects the food chain. (David Poulson, Newhouse News Service)

For 500 Million, a Sleeper on Greeland's Ice Sheet
July 10 — Greenland's changing climate and ice sheet are key factors in the weather affecting half a billion people in North America and Europe. (Curt Suplee, The Washington Post)

Cities May Make Their Own Weather
July 9 — New research suggests that the "urban heat islands" caused by large cities can actually create weather and affect areas hundreds of miles away. (Erin McClam, Associated Press)

Plants Get Sunburned Too
July 5 — Researchers discovered that excessive ultraviolet radiation from the sun's rays damage the DNA in plants. Research suggests that the depletion of the ozone layer could have a measureable impact on the mutation of plants. (Reuters)

"Lost Rivet" Metaphor Describes Ecosystem Decline
July 4 — Development, agriculture, and logging continue to destroy and degrade natural habitats, and fewer species now populate the world. Scientists say that each loss is like a lost rivet holding the environment together. (William K. Stevens, The New York Times)

Predicting Flows of Volcanic Ash
July 1 — Scientists are developing ways to better predict volcanic mudflows. They are using satellite imagery of surface temperatures and vegetation, topography, and computer models to reconstruct previous lahar flows to enhance their predictions for future flows. (Sarah Simpson, Scientific American)

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