At Lake Tahoe, Barack Obama links conservation to climate change

Standing beneath the forest-green peaks of the Sierra Nevada, President Barack Obama drew a connection between conservation efforts and stopping global warming, describing the two environmental challenges as inseparably linked.

Obama used the first stop yesterday on a two-day conservation tour to try to showcase how federal and local governments can effectively team up to address a local environmental concern like iconic Lake Tahoe, which straddles California and Nevada.

Obama told a sunbaked crowd of several thousand in a small lakeside town that "our conservation effort is more critical, more urgent than ever."

"When we protect our lands, it helps us protect the climate of the future," Obama said, joined by Senate Democratic leader Harry Reid of Nevada, California Gov. Jerry Brown and Sen Dianne Feinstein, D-Calif.

Reid, who leaves office next year and invited Obama to attend the summit's 20th anniversary, said thanks to nearly $2 billion in spending since 1997, Lake Tahoe is now "more pristine than it has been in decades." And Brown, hailing the bipartisan support the lake restoration has enjoyed, called it proof that "beauty transcends politics."

Twenty-two miles long and 12 miles wide, picturesque Lake Tahoe would cover all of California with more than a foot of water if it were emptied. A major tourist attraction along with the area's casinos and ski resorts, the lake has been a major source of concern for environmentalists for decades, as underwater visibility began sharply receding.

Scientists believe an array of factors such as storm-water runoff, car traffic and nearby construction have fuelled the loss of clarity in the alpine lake, leading to major investments over the last 20 years by Congress, private groups, local authorities and the states of California and Nevada.

The latest threat to the lake warming temperatures that have altered the underwater physics dovetails with Obama's emphasis on how America's most treasured natural wonders are already suffering the consequences of climate change.

Unveiling modest new steps to preserve the lake and its region, the White House said the Interior Department would spend nearly $30 million on wildfire prevention in the area, while other agencies would work on storm-water management, algae monitoring and geothermal energy exploration.