Climate change is dulling the hearing of fish and making it more difficult for them to find a home, Australian researchers say.

The last few decades since the mid-1970's, the average temperature in many regions of our planet has been increasing dramatically and many countries have experienced extreme climatic conditions.

Abstract Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. The aerosol mix can form transcontinental plumes of atmospheric brown clouds, with vertical extents of 3 to 5 km.

Climate sceptics are right. Temperature increases do precede rises in atmospheric carbon dioxide - the opposite of what you would expect if changes in CO2 levels were really driving climate change.

Dengue is spreading in the Americas. Incremental changes in climate could help explain the disease's expansion, according to environmental scientists. But some dengue experts have called the link with climate "alarmist' and scientifically unsound.

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In parts of the world already facing unreliable food supplies, an uncertain climate adds to the future stress for soils, plants and people. March 20, 2008

Climate change is likely to create new food insecurities by further pushing up the already rising prices and bringing down the world agriculture GDP by 16 per cent by 2020, the International Food Poli

Three environmental groups have filed a lawsuit against the U.S. government for missing the deadline to list the polar bear as a threatened animal under the Endangered Species Act.

As the sudden fog over Delhi and NCR on Sunday stumped most people, environmentalists and meteorological experts said this was possibly the outcome of extremely high levels of pollution.

The 2008 Union budget must be remembered. Not because it heralds the news of an early election. But because it comes at a time when the world is battling four different but linked developments.

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