During 2006, Merck generated 1,335,500 metric tons of CO₂ worldwide from combustion sources and fleet vehicles. Combustion sources accounted for 85.8% of these emissions while fleet vehicles accounted for 14.2%. During the period 2004 to 2006, emissions of total CO₂, decreased by 8.0%.

To learn more about Merck's commitment to the environment, click on the links below:

• Energy Policy
• Greenhouse Gas Emissions
• Green Chemistry at Merck
• Water Use
• Recent Environmental Performance