Recently, Kazakh Prime Minister Karim Massimov warned the Kashagan consortium members that if they do not get costs under control and the project back on a proper timeline, the project will be frozen.

FORBES: Royal Dutch/Shell Leaves Major Kazakh Energy Project

Its Ohio River basin water-quality trading project will allow those facing high pollution-control costs to buy reduction credits from those whose costs are lower.

ECONOMIST: Nutrient pollution

The company said it is refocusing its activities to control costs and that there will be a reduction in the number of people working on the project.

BBC: EDF cuts spending on planned Hinkley nuclear power plant