A later amendment to the law, however, noted that the agency can weigh potential negative economic impact of habitat designation in deciding whether to create a new habitat area. (scientificamerican.com)
And for little if any gain: The study concludes that critical habitat designation does not correlate with better data on the habitat or improved measures to preserve it. (sciencemag.org)
The suits argue that the critical habitat designations do little to save species, but drive housing costs though the roof...» (legalblogwatch.typepad.com)