The U.S. Environmental Protection Agency staff said Friday that the nation should tighten smog rules significantly, a step that would improve air quality in California but force costly new requirements on government and industry.

Source: www.latimes.com

GR:  This story is typical of the lag of requirements behind reality.  Extinctions and permanent reductions in habitat quality are the costs we face.  In a global state of emergency, it is prudent to call on government and industry to contribute.  Enforceable requirements are only necessary if they refuse.