A Canadian global warming skeptics group, Friends of Science (FoS), is facing several investigations into a radio advertising blitz it ran in the 2006 election campaign, which criticized the then-Liberal government's support for cutting greenhouse gas emissions. Funding for FoS came in part from a University of Calgary trust account.

Rep. Al Wynn of Maryland and Rep. Hilda Solis of California have asked the Government Accountability Office to look into the bottled water industry.

French researchers are concerned that consumer demand for hybrid cars, fueled by advertising and PR, is slowing down the development of genuinely sustainable green auto technologies.