A round-up of the top climate and energy stories. Please post additional links below.
Solar installations in the United States jumped 85 percent in the first quarter of 2012 from the previous year, according to an industry report that prompted a research firm and a lobbying group to raise their capacity forecasts for the year. [Reuters]
In a paper published June 12 in the journal Nature Communications, UCLA researchers and colleagues reveal that not long after the last ice age, the last woolly mammoths succumbed to a lethal combination of climate warming, encroaching humans and habitat change — the same threats facing many species today. [Science Daily]
Mitt Romney slams President Barack Obama for using taxpayer dollars to pick “winners and losers” among green energy firms rather than allowing them to rise or fall in the free market. Yet as governor of Massachusetts, Romney backed a state program that targeted investments to individual green startup companies in hopes of boosting jobs and the state’s revenues. [Washington Post]
Rep. Fred Upton (R-Mich.), an influential energy policymaker, appeared to reverse his position on renewable energy in a debate with GOP challenger Jack Hoogendyk on Sunday, telling a Western Michigan University audience he believes in government support for “all the alternative energy policies.” [Huffington Post]
Secretary of State Hillary Clinton will lead a delegation of officials to the United Nation’s sustainability conference in Rio de Janeiro from June 20-22, the State Department said Tuesday, signaling a stronger U.S. commitment to the summit. [Reuters]
The world’s most prestigious cancer research group on Tuesday classified diesel engine exhaust as carcinogenic to humans and concluded that exposure is associated with increased risk of lung cancer. [Los Angeles Times]
Twenty years after trying and failing to halt humanity’s destruction of our planet, the governments of the world will gather again in Rio this month for a “once-in-a-generation” Earth Summit that will open with great fanfare but low expectations of success. [Guardian]