Texas industrial sites spewed 2 million pounds of pollution during last week's freeze

Texas oil refineries, petrochemical plants and other industrial sites reported releasing 2.1 million pounds of unauthorized air pollution during last week's freezing temperatures, newly released data show. Paperwork businesses filed with the Texas Commission on Environmental Quality documents 92 releases of toxic chemicals across 27 counties between Jan. 13 and Jan. 16, according to an analysis released this week by watchdog group the Environment Texas Research and Policy Center.