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More than 150 scientists from 26 countries are calling for immediate action by policymakers to reduce CO2 emissions sharply to avoid possible widespread and severe damage to marine ecosystems from ocean acidification. This warning comes in The Monaco Declaration and the Research Priorities Report developed at the 2nd international symposium on The Ocean in a High-CO2 World, to be released during a press conference on Friday, 30 January, at the ASLO Aquatic Sciences Conference in Nice.

Amanda Leigh Mascarelli looks at how far our understanding of climate change has come in the past twelve months.

Coal River Mountain is the site of an absurdity. I learned about Coal River Mountain from students at Virginia Tech last fall. They were concerned about Coal River Mountain, but at that time most of them were working to support Barack Obama. They assumed Barack Obama would not allow such outrages to continue.

Australia Battles Floods in North as Crocodiles Enter Towns

The International Renewable Energy Agency (IRENA) truly came into being on January 26, 2009 at the Founding Conference of IRENA in Bonn. More than 120 government delegations from across the world attended the conference and a total of 75 nations, a broad cross-section of developing and industrialized countries, signed the Agency's statute.

Seventy-five nations including Germany, India, Kenya, and the United Arab Emirates launched last week the world's first multinational organization dedicated solely to promoting renewable energy worldwide.

In the rush to build the next generation of hybrid or electric cars, a sobering fact confronts both automakers and governments seeking to lower their reliance on foreign oil: almost half of the world's lithium, the mineral needed to power the vehicles, is found here in Bolivia - a country that may not be willing to surrender it so easily.

Act now, we're told, if we want to save the planet from a climate catastrophe. Trouble is, it might be too late. The science is settled, and the damage has already begun. The only question now is whether we will stop playing political games and embrace the few imperfect options we have left.

We profile two women activists taking on the global water crisis. Canadian Maude Barlow is a well known leader in the global struggle for water justice. Ge Yun from China is in the vanguard of her country's growing conservation movement. In this program, they both warn us about the link between climate change and the loss of one of our most basic human requirements: water for life.

Have you heard the Tom Friedman podcast: Hot, Flat and Crowded? - Search in Oct 2008 on this page: http://tinyurl.com/23tzpu

The only survivors in the wild of an order of reptiles that scampered with dinosaurs could be wiped out because climate change will turn them all into males.

Challenging warming skeptics who note that parts of Antarctica have gotten colder, researchers on Wednesday reported that overall the continent has gotten warmer since the 1950s, and that even those colder spots would be warmer were it not for the ozone hole. "Contrarians have sometime grabbed on to this idea that the entire continent of Antarctica is cooling, so how could we be talking about global warming," said study co-author Michael Mann, director of the Earth System Science Center at Penn State University. "Now we can say: No, it's not true ... It is not bucking the trend."

The continent of Antarctica is warming up in step with the rest of the world, according to a new analysis. Scientists say data from satellites and weather stations indicate a warming of about 0.6C over the last 50 years.

WILKINS ICE SHELF - A huge Antarctic ice shelf is on the brink of collapse with just a sliver of ice holding it in place, the latest victim of global warming that is altering maps of the frozen continent. "We've come to the Wilkins Ice Shelf to see its final death throes," David Vaughan, a glaciologist at the British Antarctic Survey (BAS), told Reuters after the first - and probably last - plane landed near the narrowest part of the ice.

The World Watch has released a report (PDF) looking at a roadmap towards a lower carbon economy based on a wide range of new energy systems. "We are on the verge of an energy revolution," says Flavin. "With strong political leadership, we have a once-in-a-generation opportunity to use policy and technology innovation to stave off the greatest human-caused threat our planet has seen."