The article discusses secret recordings of Exxon lobbyists and their tactics to manipulate politicians and the public. The recordings reveal Exxon's efforts to undermine climate policies and promote their own interests. The exact details of the recordings are not available, but the comments suggest they show Exxon's support for a carbon tax as a way to appear proactive on climate change while actually hindering meaningful action. The recordings also mention Exxon's history of funding 'shadow groups' to fight against climate science.