Satellite Eyes Coral Reefs
October 31 — NASA's Landsat 7 satellite imagery is providing a quicker and more cost-effective way of monitoring coral reefs around the world. (Discovery.com)

Arctic Ozone Damage "Likely by 2020"
October 26 — One of the British researchers that discovered the Antarctic ozone hole predicts similar damage over the Arctic because the ozone layer is cooling. (BBC News)

Global Warming Identified as Main Threat to Coral Reefs
October 26 — The latest measurements from the Global Coral Reef Monitoring Network point to global warming and pollution as the main causes of reef deterioration around the world. (Peter Pockley, Nature and ABCnews.com)

Global Warming Theory Affirmed
October 26 — A report by the Intergovernmental Panel on Climate Change says that man-made pollution has "contributed substantially" to global warming, and the Earth will likely get hotter than previously predicted. (Associated Press, The New York Times)

Global Warming Stirs Jack Frost
October 25 — New research indicates that the frequency and location of frost events will likely change around the globe due to warmer global temperatures. (Robinson Shaw, National Geographic News.com)

Landsat 7 Satellite Helps Track Coral Reef Health
October 25 — NASA's Landsat 7 satellite imagery is providing a quicker and more cost-effective way of monitoring the health of coral reefs around the world. (CNN.com)

Pacific Coral Holds El Niño Clues
October 25 — Researchers have pieced together a 155-year history of El Niños from Pacific coral reefs. They conclude that El Niños now occur every 3-4 years instead of every 10-15 years as they did in the last century. (Reuters, Associated Press)

Europe's Biggest Glacier Shrinks
October 23 — Iceland's Breidamerkurjokull glacier has been shrinking for most of the 20th century as temperatures warmed since the Little Ice Age peaked in 1890. (CNN.com)

Global Warming Did Cause the Floods
October 22 — The environment minister of Great Britain said that the recent flooding in that country is the result of global warming. (The (London) Daily Express)

Scorched Earth and Quick Sunburns
October 20 — The shrinking ozone layer will have an adverse impact on the economies of the populated areas it affects. Chileans suffered sunburns after seven minutes of exposure. (ABCnews.com)

Now the Ebola Forecast
October 19 — Scientists from NASA and the World Health Organization using satellite data to monitor wet and dry conditions believe a rare climate pattern precedes outbreaks of the deadly Ebola disease. (New Scientist)

Second Thoughts on Skill of El Niño Predictions
October 13 — Researchers are taking a second look at models that predict El Niños, and found that some did a poor job of predicting the full course of the event. (Richard A. Kerr, Science)

Survey Finds Hawaii Reefs Vanishing
October 13 — Researchers who are mapping the coral reefs surrounding the 10 mostly uninhabited northwestern Hawaiian Islands have noted the fast disappearance of the reefs due to overfishing, urbanization and pollution. (Jean Christensen, Associated Press)

Helping Ocean Algae Could Beat Greenhouse Effect
October 11 — Scientists have fertilized the Southern Ocean with iron to discover if they could reduce greenhouse gases by stimulating algae blooms that absorb carbon dioxide. (Reuters)

Even in Frigid North, Hints of Warmer Temperatures
October 10 — Inhabitants of Canada's northernmost settlement see signs of warming in receding glaciers, rising temperatures, and a reduction in caribou populations. (James Brooke, The New York Times)

Record Ozone Hole Refuels Debate on Climate
October 10 — Scientists are still debating whether the record large ozone hole is due to the chemical reactions that destroy ozone or the result of natural variations in the Antarctic weather and other conditions. (Andrew Revkin, The New York Times)

Clouds' Role in Global Warming Studied
October 9 — Recent NASA research indicates that warmer temperatures lead to thinner clouds that reflect less sunlight, which may add to climate warming. (CNN.com and ENN.com)

Ocean Currents May Intensify Hurricanes
October 9 — Warm water running at deeper depths, called a loop current, may give forecasters a better insight into whether a hurricane will intensify rapidly. (United Press International)

Sun Studies May Shed Light on Global Warming
October 9 — A new theory suggests that changes in the sun's magnetic field alters the amount of cosmic rays that strike Earth and directly affect cloud formation. The study concluded that more cosmic rays lead to fewer clouds and climate warming. (Curt Suplee, The Washington Post)

Global Warming to Leave U.K. Out in the Cold
October 8 — New research suggests that the Gulf Stream will be pushed further south as a result of global warming, causing the United Kingdom to develop a much colder climate. (Mark Rowe, Independent Digital)

Ozone Hole Opens Over Chilean City
October 6 — For the first time, the ozone hole over Antarctica extended over a population center stretching to the Chilean city of Punta Arenas. (Ray Lilley, Associated Press)

Cracking Up: The Ross Ice Shelf
October 5 — The ice shelf on the western Antarctic coast has been shedding icebergs, and the latest one, named "B-15," is the size of Connecticut. (ABCnews.com)

Early Warning System Developed for Coral Bleaching
October 5 — The National Oceanic and Atmospheric Administration has developed an early warning system with the ability to predict bleaching episodes for all major U.S. coral reefs. (Robinson Shaw, ENN.com)

Weather Blamed for Big Ozone Hole
October 5 — The cold even bothers the ozone high above Antarctica. Researchers say that unusually cold weather and winds are probably responsible for creating the record ozone hole in early September. (Jack Williams, USA Today)

Climate Feels Sun's Effects
October 3 — Research from the European Space Agency has dismissed theories that global warming is being caused primarily by the sun. The report stated that solar influences on climate are diminishing while human influences are increasing. (BBCNews.com)

Debate Rises Over a Quick(er) Climate Fix
October 3 — One month before 150 countries meet to followup on the Kyoto Protocol, scientists are still debating what the main target of climate change should be: carbon dioxide, methane, ozone, or soot. (Andrew Revkin, The New York Times)

Global Air-Cleaning No Easy Task
October 3 — Researchers are working to find a way to pull carbon dioxide out of the atmosphere and pack it away into rocks and minerals so it can no longer contribute to global warming. (Foxnews.com)

Killer Waves on the East Coast?
October 1 — Despite press reports issued this summer, researchers say that residents along the U.S. mid-Atlantic coast need not worry about tsunamis. (Scientific American)

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