Claim: Since 2000, Texas has reduced "harmful pollutants in the air like nitrogen oxide by 62.5 percent, and ozone by 23 percent--a reduction that is 12 percent greater than the national average."
Fact-check: In '14, Rick Perry's Half True claim about pollutant cuts
Verdict: half-true
Organisation: PolitiFact
Author: W. Gardner Selby
Date published: 2014-05-26T00:00:00