(This March 17 story, refiles to clarify cases relate to environment as well as climate change) FILE PHOTO: An Exxon sign is seen at a gas station in the Chicago suburb of Norridge, Illinois, U.S., October 27, 2016. REUTERS/Jim Young WASHINGTON (Reuters) - The U.S. Securities and Exchange Commission (SEC) has created a task force to police statements made by companies and fund managers about climate-related risks. While the concerted push is a first for the agency, it has in the past pursued a handful of climate-change related enforcement actions, with mixed success. BP PLC The oil giant in 2012 agreed to pay $525 million to settle SEC allegations that on several occasions it significantly underestimated the volume of oil spilling from the Deepwater Horizon oil well in its investor communications, using a lower flow rate than what was known internally.