New York Times: As Tom Zeller Jr. and I wrote in Monday’s Times, the recession has had a significant effect on renewable energy projects like wind farms. But it is not only wind energy that is suffering. As prices for conventional energy decline, so does interest in energy conservation and in nuclear plants, experts say. Part of the problem is the price of natural gas, which has fallen as demand for electricity has declined. Generators need less gas, and industries have used less as their output has shrunk. The…