Global Warming Means Mosquitoes Move North
July 26 — New research has shown that populations of Asian tiger mosquitoes increase dramatically during high temperatures. Scientists believe that global warming will enable these mosquitoes to continue to migrate northward in the United States. (ABCnews.com)

Researchers Have Hot Expectations
July 19 — New analysis shows there is a 90 percent chance that global temperatures will likely increase between 4 and 7 degrees over this century. (Eric Pianin, The Washington Post, USAToday.com, BBC News online)

Long-Term Increase in Atlantic Hurricanes Forecast
July 19 — Researchers have identified a current and natural trend that indicates a sharp increase in Atlantic Ocean hurricane activity that may last for another 10-40 years. (Will Dunham, Reuters.com; Kathleen Wren, MSNBC.com)

Climate Change Threatens Blue Whales' Food Supply
July 19 — Antarctic Blue Whales feed on krill, which in turn, feed on algae released from melting sea ice. Because rising temperatures and less sea ice has led to fewer algae, organisms higher in the food chain are suffering. (Reuters)

Study Shows Faster "Overturning" of Atlantic
July 17 — A NASA satellite confirmed the overturning of waters in the North Atlantic Ocean, a process that drives the Gulf Stream current, speeds up and slows down by as much as 30 percent over a decade. (United Press International online)

Scientists Say Future Climate Change Could Be Sudden
July 13 — Future changes in the Earth?s climate may happen suddenly, triggered by man-made factors, scientists warned. (Reuters, LATimes.com)

Warmer World Will Starve Many, Report Says
July 13 — Scientists say rising temperatures are likely to boost crops in parts of the globe but devastate them in others. (LATimes.com, BBCNews.com)

Sizzling Sun Makes Cloudy Days
July 13 — New research shows that the United States becomes cloudier during periods of increased solar activity, possibly because the increased radiation heats the upper atmosphere and nudges the jet stream. (CNN.com, Astronomy.com, Scripps Howard News Service, Detroit News online)

Send in the Clouds
July 12 — Clouds remain a weak point in scientists' ability to forecast climate. (Peter N. Spotts, Christian Science Monitor)

El Nino's Newly Discovered Cousin
July 12 — Scientists have discovered temperature swings that occur every 12-13 years in the tropical Pacific Ocean, that have worldwide implications ranging from droughts in Brazil to monsoon changes in India. (Laurent Belsie, Christian Science Monitor)

Arctic Oscillation Causes Climate Change
July 10 — A little known climate pattern called the Arctic Oscillation, or North Atlantic Oscillation, has been linked to warming winters, according to Colorado State University Researchers. (ENN.com, CBC News.com)

Climate Change Encourages Mosquito Invaders
July 10 — Researchers at the University of Florida say Asian tiger mosquitoes that carry diseases could spread outside their historic habitat as climate change creates new warmer places for them to live. (ENN.com)

Retreating Sea Ice Threatens Existence of Alaskan Town
July 9 — Towns on Alaska?s coast are dealing with what many observers believe are the early heralds of climate change. (Kim Murphy, Los Angeles Times)

Warming Shrinks Peruvian Glaciers
July 9 — Hundreds of snow-tipped glaciers in the Peruvian Andes are retreating, and scientists say it is the direct result of a warming climate. (Washingtonpost.com)

Carbon Sinks Won't Solve Global Warming
July 9 — Forests and farmlands cannot be relied on to soak up environmentally damaging greenhouse gases, according to a new report by Britain?s Royal Society. (Reuters)

Currents and Eddies Stir Up Ocean Life
July 5 — Researchers search for greater understanding of the interplay between ocean currents and eddies and the living creatures that live in our oceans. (Robert C. Cowen, Christian Science Monitor)

Climate Change Underestimated, Say Scientists
July 2 — Researchers report climate change for the 20th century may have been greater than previous estimates, according to a Lawrence Livermore National Laboratory report. (Weather.com)

African Dust Brings Germs Across the Ocean
July 1 — Researchers have discovered that some of the dust from African deserts that is blown across the Atlantic Ocean contains bacteria and fungi, which could pose a health problem. (Associated Press, CNN.Com, MSNBC.com)

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