Top oil firms spending millions lobbying to block climate change policies, says report

Ad campaigns hide investment in a huge expansion of oil and gas extraction, says InfluenceMap

The largest five stock market listed oil and gas companies spend nearly $200m (153m) a year lobbying to delay, control or block policies to tackle climate change, according to a new report.

Chevron, BP and ExxonMobil were the main companies leading the field in direct lobbying to push against a climate policy to tackle global warming, the report said.