Congress is on the verge of fully legalizing hemp under a new farm bill agreement.

Chemical companies are pressing federal officials to spend billions of dollars on a coastal flood control system near Houston to protect petrochemical plants, oil refineries and shipping infrastructure from the next hurricane.

A Texas chemical plant was hit by explosions after floods caused by Hurricane Harvey knocked out power supplies needed to refrigerate volatile chemicals.

Opioid deaths hit a record in 2015 and have killed half a million Americans since 2000 as prescriptions surged.