At a time when the Union of Concerned Scientists (UCS) is censuring free market organizations for accepting donations from ExxonMobil, critics have turned the spotlight back onto the UCS, its left-wing positions, and its own funding practices. In a recent report, the UCS charged that organizations are using oil industry money to create public uncertainty about what it calls "consensus" about climate change and the role of human activity in affecting temperatures see related story. Organizations named in the report have denied the claims. The UCS describes itself as an "alliance" of over 200,000 citizens and scientists that initially came...