I think it might be useful to.... There's a report, for example, coming out from Resources for the Future, which is a very respected U.S.-based group. That report is coming out in two days, I believe. If hydraulic fracturing is an issue of interest to this committee, they've gone through—we've seen an advance draft—a very rigorous analysis of risk.
For example, there's wide assumption that there are risks of groundwater contamination. Their conclusion was that it's probably a very low risk.