They send letters
Recently, 15 House committee chairs sent a letter to the president to tell him to stop trying to water down the G8 statement on climate change. Meanwhile, chair Brad Miller from the House Science Committee sent a letter to Exxon to tell it to stop funding climate denialists. You can read both letters here.
As both the president and Exxon have proven themselves open to rational persuasion, the problems should be cleared up now. Next!