Russia warns of war within a decade over Arctic oil and gas riches. Russia raised the prospect of war in the Arctic yesterday as nations struggle for control of the world’s dwindling energy reserves. [News Source]

High noon. As the climate warms, environmentalists square off over Big Solar's claim to the Mojave Desert. As of late March, the Bureau of Land Management had received 199 applications for industrial-scale solar plants, totaling 1.7 million acres, in the desert Southwest. [News Source]

Scientists fear for seas at climate talks. Climate change negotiations will not take proper account of the devastating impact of greenhouse gas emissions on the seas, hundreds of scientists attending the World Ocean Conference in Indonesia warned yesterday. [News Source]

North Pole trek mapping Arctic sea ice ends early. Three British scientists on a ski trek to the North Pole abruptly ended their mission to map out thinning Arctic sea ice Wednesday, fearing an early summer ice melt. [News Source]

Environmentalists say new climate doctrine focuses on reacting to change, rather than preventing it. Russian and European environmentalists are concerned that a new Russian doctrine on climate change focuses more on how Moscow should react to the impact of climate change rather than on prevention efforts. [News Source]

Ineffective solar rebates should go, says report. The Wilkins report singles out federal and state government subsidies to solar electricity as one of the least effective and most expensive ways of tackling climate change. [News Source]

PG&E expands solar power plans. Pacific Gas and Electric Co. and a young Oakland company on Wednesday signed what may be the world's largest solar deal, one that will create a string of seven solar power plants generating enough electricity for 530,000 homes. [News Source]

Indian scientists learn from failed attempt to fertilise ocean. Indian scientists recently carried out a controversial experiment in the ocean near Antarctica to get carbon dioxide captured from the air and stored in the sea. [News Source]

Climate change bill could end regional alliance. A landmark alliance that Massachusetts helped form is slated for elimination under a climate change bill being written in Congress, possibly depriving the Bay State of as much as $100 million it now collects from power companies to spend on energy efficiency programs. [News Source]

House panel nears agreement on energy and climate bill. With a series of compromises on the stickiest issues behind them, the House Energy and Commerce Committee is poised to approve far-reaching legislation on energy and global warming by the end of next week. [News Source]

Republican lawmakers back carbon tax (yes, that’s right). Reps. Bob Inglis of South Carolina and Jeff Flake of Arizona on Wednesday became the first Republican lawmakers to introduce legislation imposing a carbon tax on producers and distributors of fossil fuels. [News Source]