This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration.

The E.U. abandoned or weakened key proposals for new environmental protections after receiving a letter from a top BP executive which warned of an exodus of the oil industry from Europe if the proposals went ahead.

In the 10-page letter, the company predicted in 2013 that a mass industry flight would result if laws to regulate tar sands, cut power plant pollution, and accelerate the uptake of renewable energy were passed, because of the extra costs and red tape they allegedly entailed.