The federal government is stepping up its commitment to the Salton Sea and exploring the possibility of buying geothermal energy from the Imperial Valley, in a series of moves that could help fund restoration projects at California's largest lake and maybe pave the way for a multi-state agreement to use less Colorado River water.
The unveiling of those initiatives is timed to coincide with President Barack Obama's trip to Lake Tahoe on Wednesday afternoon, for the 20th annual Lake Tahoe Summit.
