Ozone 'Hole' Pulls Back, but Danger Lingers
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The worst of the ozone hole has pulled back once more to Antarctica this southern spring, leaving behind a shadow of uncertainty for the people living at the bottom of the Americas.
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For the second time in three years, a hypoxic "dead zone" has formed off the central Oregon Coast. It's killing fish, crabs and other marine life and leading researchers to believe that a fundamental change may be taking place in ocean conditions in the northern Pacific Ocean.
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Emissions of sulfur dioxide, which causes acid rain, rose 4 percent in 2003, but probably will not compromise long-term air quality goals, the government reported Wednesday.
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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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An explosion in demand for air conditioners that rely on ozone-depleting refrigerants in India and China is becoming a fast-growing threat to efforts to combat global warming.
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Cincinnati didn&#39;t fare well in a new study that looks at the effect of ground-level ozone on the death rate. The study, published Wednesday in the Journal of the American Medical Association, suggests that
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WHEEZE: Mayors and economic development officials say a growing number of businesses are not inclined to expand or open new plants in areas cited by the Environmental Protection Agency as "non-attainment zones," with too much smog-causing ozone or microscopic soot.
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Scientists at the U.S. Environmental Protection Agency on Tuesday recommended tougher standards for ground-level ozone, the main component of smog, but no action will be taken until next year.
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Even a limited nuclear exchange would cause global famine and destroy much of the ozone layer for years, a new study says.
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Global warming gases trapped in the soil are bubbling out of the thawing permafrost in amounts far higher than previously thought and may trigger what researchers warn is a climate time bomb.
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The dramatic springtime collapse of surface ozone in the Arctic has been documented by scientists.
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Contaminated groundwater tainted with trichloroethylene has led to a  dangerous plume that is now affecting the air quality in homes near the  Behr-Dayton Thermal Products Plant in Dayton, Ohio. The U.S.
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The U.S. Environmental Protection Agency offered tighter standards for ozone pollution for the first time since 1997 but critics said on Thursday the proposal is more lax than what the EPA's own experts recommended.
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Blame the weather Despite optimism earlier this year that the ozone hole was stabilising and might even have begun to repair itself, scientists at the European Space Agency report that 2006 saw record losses of ozone over the south pole.â¦
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Climate scientists agree there have been a lot of strong hurricanes lately. They agree that warmer seas have given these storms some extra punch. But they disagree how much global warming is to blame.
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After reviewing more than a decade of air quality reports and medical records, a team of scientists says it has linked ozone to premature death.
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In NASA&#39;s ideal scenario for cleaning the science payload containing solar particles from the Genesis capsule, the biggest worry had been about contamination from gases in the atmosphere, not from dirt in Utah&#39;s west desert.