Warming linked to stronger hurricanes
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Global warming has made stronger hurricanes, including those in the Atlantic such as Katrina, an authoritative panel on climate change has concluded for the first time, participants in the deliberations said Thursday.
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A new technique for tracking tempests using tree rings could help settle the debate about whether global warming is affecting hurricane frequency.
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Human production of greenhouse gases is largely responsible for increasing storm severity, scientists say.
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A sea-surface cooling in the Pacific,  which may have contributed to strong hurricanes in the United  States and a freeze-up in China, could last at least until  mid-year, the U.N. weather body WMO said on Monday.
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Scientists using data from planes flying into a large hurricane have documented changes inside these swirling storms that can quickly alter their intensity, and say these insights can improve forecasting.
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There will be four to six major hurricanes in the Atlantic Ocean and Gulf of Mexico this season, the National Hurricane Center predicted Monday.
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Watching for changes in the inner eyewall of a hurricane may help forecasters overcome one of their most perplexing challenges: predicting sudden strengthening or weakening.
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The deadly hurricanes that have battered the Southeast and the Caribbean this year may be a sign of things to come as climate change heats up the tropical oceans where such storms are born, scientists warned Thursday.
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Most of the increase in ocean temperature that feeds more intense hurricanes is a result of human-induced global warming, says a study that one researcher says "closes the loop" between climate change and powerful storms like Katrina.
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Is our mishandling of the environment to blame for  the well-documented increase in the frequency and  severity of hurricanes? The answer is unclear.
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Pollution from Asia is causing more intense storms that may be affecting worldwide temperatures and contributing to polar warming, a new study finds.
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Although the first hurricane of the season has weakened to a tropical storm, it could gain strength again as it approaches the Keys, experts warn.
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Scientists warned Tuesday that a long-term increase in global temperature of 3.5 degrees could threaten Latin American water supplies, reduce food yields in Asia and result in a rise in extreme weather conditions in the Caribbean.
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La Nina conditions are developing in the Pacific Ocean, and that cooling of waters generally brings a more active Atlantic hurricane season, the National Oceanic and Atmospheric Administration said Thursday.
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NEW YORK  - An increase in summertime heat waves from global warming could mean more deaths among Americans each year, a study by Harvard researchers suggests.
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A creeping rise in sea levels tied to global warming, pollution and damage to coral reefs may make coastlines even more vulnerable to disasters like tsunamis or storms in future, experts said Monday.
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A lively and sometimes scrappy debate on whether global warming is fueling bigger and nastier hurricanes like Katrina is adding an edge to a gathering of forecasters here.