There is one summary for S.J.Res.21. Bill summaries are authored by CRS.

Shown Here:
Introduced in Senate (02/03/2017)

This joint resolution nullifies the Cross-State Air Pollution Rule Update finalized by the Environmental Protection Agency on October 26, 2016. The rule addresses interstate transport of ozone pollution with respect to the 2008 ozone National Ambient Air Quality Standards under the Clean Air Act.