The Clean Air Act Amendments (CAAA) Section 812 Prospective Study of Costs and Benefits (1999): Advisory by the Health and Ecological Effects Subcommittee on Initial Assessments of Health and Ecological  Part 1. July.
The Clean Air Act Amendments work to avoid pollution in a cost effective manner.
There are no amendments which have been put in place to make the air cleaner.
Ruth Conniff is a pundit for the Progressive.
I heard the beep.
Archaeologists know all the details about the scenes.
The man sleeps on the bench next to a statue.
The school is closed.
A man tripping a waitress.