Prosecutors in New York are accusing ExxonMobil of trying to discourage potential witnesses from testifying about whether the oil giant misled investors over the costs it may face from future climate regulations.
Read MoreSeveral of the largest producers of the fossil fuel feedstocks used to make plastics are being pressured by investors to explain what the companies are doing to reduce plastic waste in the world's oceans and waterways.
Read MoreInvestors' efforts to get energy and utility companies to set greenhouse gas reduction targets and disclose their plans for meeting those goals are facing more hurdles now than in the past five years.
Read More