Use fossil fuels more efficiently
Save old-growth forests, cut sustainably
Plant trees when you travel
1 tree every 2,000 miles (3200 km) by car 1 tree every 1300 miles (2000 km) by plane 1 tree every 100 gallons (375 liters) of gasoline 1 tree every 1000 kilowatt-hours (one kwhr ~= 1.9 pounds CO2)
For more Labels: efficiency, emissions trading, environment |