By FRANK JORDANSFILE - The Shell Norco refinery is seen along the Mississippi River in Norco, La., Thursday, March 8, 2018. The refinery is considered one of the largest petrochemical facilities in the United States. A growing number of companies are pledging to cut their greenhouse gas emissions to “net zero” to curb climate change, a new report finds the goal is rarely supported by a credible plan. FILE - The Shell Norco refinery is seen along the Mississippi River in Norco, La.
BONN, Germany — A growing number of companies are pledging to cut their greenhouse gas emissions to ”