Mongabay: Selective logging, understory fires, fuelwood harvesting, and other forms of forest degradation are a substantial source of greenhouse has emissions, reports a policy brief issued by The Nature Conservancy (TNC) at U.N. climate talks in Bonn, Germany. The brief, titled “Don’t Forget the Second ‘D’: The Importance of Including Degradation in a REDD Mechanism”, says that forest degradation is often overlooked by policy makers, but accounts for a large share of emissions, including at …