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The Belchatow power plant is seen in September 2011 in Poland. The world has just five years to avoid being trapped in a scenario of perilous climate change and extreme weather events, the International Energy Agency (IEA) warned

Medical and military leaders have come together today to warn that climate change not only spells a global health catastrophe, but also threatens global stability and security.

UN climate chief Christiana Figueres, shown here in 2010, told governments to prepare for a gap on the expiry of pledges under the Kyoto Protocol, which has formed the foundation of the world's efforts to cut carbon emissions. Commitments by most developed countries to cut emissions are likely to expire at the end of next year without a new round of legally binding pledges, she warned.

Wandering albatrosses have altered their foraging due to changes in wind fields in the southern hemisphere during the last decades. Since winds have increased in intensity and moved to the south, the flight speed of albatrosses increased and they spend less time foraging. As a consequence, breeding success has improved and birds have gained 1 kilogram. These are the results of the study of an international research team published in the latest issue of the Science journal. However, these positive consequences of climate change may last short if future wind fields follow predictions of climate change scenarios, researchers warn.

Up to 45 rare species of wallaby, bandicoot and other Australian animals could become extinct within 20 years unless urgent action is taken to control introduced predators and other threats, scientists warned Wednesday.

Twenty former heads of state, including former US president Bill Clinton, warned Tuesday of an impending "water crisis" and agreed to establish a panel that will tackle a worldwide leadership gap on the issue.

Fires, felling and agriculture are whittling Europe's forests down into isolated patches, threatening to speed up desertification and deplete wildlife, a UN report warned Tuesday.

Pollution and global warming are pushing the world's oceans to the brink of a mass extinction of marine life unseen for tens of millions of years, a consortium of scientists warned Monday.

A team of scientists in the United Kingdom and the United States has warned that the native fauna and unique ecology of the Southern Ocean, the vast body of water that surrounds the Antarctic continent, is under threat from human activity. Their study is published this week in the peer-reviewed journal Annals of the New York Academy of Sciences.

When the Earth's carbon dioxide level increased at a rapid rate during the Triassic-Jurassic period 200 million years ago, nearly half the ocean's marine life became extinct. USC Dornsife geologists contributed to a recent paper that examines materials embedded in ancient rocks to provide clues about the possibility of similar future global events.

Cursed by the winds that blow from Chernobyl a few kilometres away, Pripyat is a snapshot of the astronomical cost of the world's worst nuclear disaster. And its fate stirs chilling thoughts for Japan, grappling with its own nuclear crisis in Fukushima.

The current focus on assessment means the public debate is overlooking how schools are engaging young people and preparing them for the future, according to Lyn Yates, Professor of Curriculum in the University of Melbourne's Graduate School of Education.

One in 10 species could face extinction by the year 2100 if current climate change impacts continue. This is the result of University of Exeter research, examining studies on the effects of recent climate change on plant and animal species and comparing this with predictions of future declines.

panel of marine scientists who met earlier this year in Oxford, England, have concluded that the world's oceans are facing an unprecedented loss of species. As the London Independent reports today, "The seas are degenerating far faster than anyone has predicted, the report says, because of the cumulative impact of a number of severe individual stresses, ranging from climate warming and sea-water acidification, to widespread chemical pollution and gross overfishing." They concluded that the negative impacts are greater than predicted, and that mass extinctions could occur within one human generation.