Bishop's targeting of environmental laws simply fits the current Republican zeitgeist. House Majority Leader Eric Cantor has attacked environmental regulations and the Environmental Protection Agency as "obstacles to economic growth" that must be "removed." And GOP presidential candidate Mitt Romney says the Clean Air Act should be rewritten to exclude the regulation of greenhouse gasses.
Environmental laws have nothing to do with our economic crisis, but the bad economy provides cover for efforts to repeal or rewrite them.
(See also related Associated Press story.)