A bill approved Wednesday by the GOP-controlled House would require that data used to support new regulations to protect human health and the environment be released to the public.
Rep. Lamar Smith, R-Texas, said "the days of 'trust me' science are over," adding that the House bill would restore confidence in the EPA's decision-making process.
Connecticut Rep. Elizabeth Esty and other Democrats said the bill would cripple EPA's ability to conduct scientific research based on confidential medical information and risks privacy violations by exposing sensitive patient data.
The bill was approved 228-194 and now goes to the Senate.
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