Change from previous year's score: +8

Review: 17/22 points. United Continental Holdings has made some efforts to measure its companywide impact on global warming (i.e., its greenhouse gas emissions or climate footprint).

Reduce: 27/56 points. United Continental Holdings has taken basic steps to improve the energy efficiency of its aircraft, resulting in reductions in greenhouse gas emissions.

Policy Stance: (5)/10 points. United Continental Holdings has opposed some public policy that addresses climate change.

Report: 10/12 points. United Continental Holdings has made detailed public information available on its efforts to address global warming.