ClimateWire: At this week’s global climate talks, some rich nations are prepared to urge more lenient accounting practices to hide a portion of their fossil fuel carbon emissions using their trees, environmentalists say. The problem arises as Kyoto Protocol-signing nations now seek to change the rules governing how they gauge their large forest carbon stocks, a complicated issue that has stalled wide-ranging climate talks in the past. Forests are a major portion of the world’s carbon …