Nature World News: The first ten days of July have been ugly for the U.S. Environmental Protection Agency (EPA), which is being sued by a variety of organizations for allegedly not protecting the environment enough. Recent lawsuits brought against the EPA assert that the group's regulations on invasive species and pesticides are wanting, and a pending lawsuit contends that the group is not doing enough to regulate pollution form coal mines. Wednesday's news included the EPA being sued by the National Wildlife Federation,...