Stockton Record: Spotted owls, silted streams, raging wildfires — there has been no shortage of fuel for the timber wars over the decades. Add climate change to the mix. Loggers will return to the forested lower Sierra Nevada this spring armed with a peer-reviewed study that says “intensive” forestry practices — including clear-cuts — may ultimately assist in the battle against rising worldwide temperatures. No way, environmentalists say. Their own report, released one …