ADVOCACY: Mass. enviro official picked to lead Union of Concerned Scientists Robin Bravender, E&E reporter Published: Tuesday, March 4, 2014 The Union of Concerned Scientists has picked a top Massachusetts environmental official as its new chief. Please subscribe to E&ENews PM to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.