ecosystem health

Human behavior may determine environmental changes


April 16th, 2011 - 11:39 am ICT by ANI
Washington, April 16 (ANI): It has long been assumed that "tipping points," qualitative changes in an ecosystem that often result in reduced ecosystem health are fixed values.But a new study has shown ... Read more...

Posted in Health Science |

Seaweeds fast endangering coral reefs


January 7th, 2010 - 3:26 pm ICT by IANS
Sydney, Jan 7 (IANS) Seaweeds have claimed huge tracts of the coastal shelf of Australia's Great Barrier Reef (GBR) and are endangering them, says a new study. Part of a global effort ... Read more...

Posted in Sci-Tech |

Air pollutants from abroad can travel thousands of miles to harm atmosphere


September 30th, 2009 - 4:34 pm ICT by ANI
Washington, September 30 (ANI): A new study has determined that plumes of harmful air pollutants can be transported across oceans and continents and have a negative impact on air quality far from ... Read more...

Posted in Health Science |

Climate change will lead to less ultraviolet radiation over northern high latitudes


September 16th, 2009 - 5:42 pm ICT by ANI
Toronto, September 16 (ANI): A new study by University of Toronto (U of T) physicists has shown that climate change will lead to less ultraviolet radiation over northern high latitudes.They discovered that ... Read more...

Posted in Health Science |

Ozone layer changes may increase UV radiation in tropics


September 16th, 2009 - 5:25 pm ICT by IANS
Toronto, Sep 16 (IANS) Ozone layer alterations, prompted by climate change, will enhance ultraviolet (UV) radiation in the tropics and Antarctica, according to a discovery by physicists. "Climate change is an established fact, ... Read more...

Posted in Sci-Tech |

Life under threat as more ultraviolet radiation to hit earth


September 7th, 2009 - 10:30 am ICT by IANS
Toronto, Sep 7 (IANS) Rapid climate changes are set to redistribute the already shrinking ozone layer, exposing earth's southern parts up to 20 percent more ultraviolet radiation, warns a Canadian study. Concentrated ... Read more...

Posted in Sci-Tech |

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