"President Barack Obama hit back on Thursday at election-year Republican criticism of his energy policies, offering a staunch defense of his attempts to wean Americans off foreign oil and saying there is no "silver bullet" for high gasoline prices."

"GOP scientists say their attempts to talk about climate dangers with their party's politicians and their aides have largely fallen on deaf ears."

"According to one of the documents that came out in last week's scandal, the Heartland Institute plans to pay a federal scientist for his contributions to an annual climate-denial report. The proposed 2012 budget for the institute is one of the more interesting things to come out of the Heartland documents that were passed around the internet, as it includes a $1,000-per-month payment to a Department of Interior employee."

"Dow Chemical Co hoped an Olympic sponsorship would boost its global cache, but the company's link to a gas leak tragedy 28 years ago threatens to curb some of the benefits from the $100 million advertising deal. As many as 25,000 residents of Bhopal, India, died in the aftermath of a 1984 gas leak at a pesticide factory that was owned by a subsidiary of Union Carbide, which sold the facility in 1994. Dow bought Union Carbide in 2001."

"The climate sceptic thinktank chaired by former chancellor Lord Lawson, the Global Warming Policy Foundation (GWPF), has been ruled not 'influential' enough to warrant making the Charity Commission disclose its seed funder, an information rights tribunal ruled on Tuesday."

"VANCOUVER -- Amid revelations of a well-funded U.S. organisation's plans to deliberately distort climate science, scientists and journalists at a major scientific conference called on the Canadian government to stop its muzzling of scientists. For the past four years, the Canadian government has been denying timely access to government scientists even when their findings are published in leading scientific journals, said scientists and journalists in a special session of the American Academy for the Advancement of Science meeting here in Vancouver, British Columbia."

"Rising gasoline prices, trumpeted in foot-tall numbers on street corners across the country, are causing concern among advisers to President Obama that a budding sense of economic optimism could be undermined just as he heads into the general election.

White House officials are preparing for Republicans to use consumer angst about the cost of oil and gas to condemn his energy programs and buttress their argument that his economic policies are not working.

"Just four years ago, shale gas king Aubrey K. McClendon told shareholders of Chesapeake Energy that 'finally, we made some new friends this year.'"