Houston Chronicle: Texas industries released fewer toxic chemicals into the environment in 2007 than the year before, according to newly released federal data. The U.S. Environmental Protection Agency`s latest statistics show that the state`s emissions dropped 7 percent, outpacing the reductions of the nation as a whole. Still, Texas remained one of the biggest polluters among states, behind Alaska, Ohio and Indiana in the release of chemicals that cause cancer, neurological damage or other …