Carbon Emissions, In Perspective
We hear a lot these days about carbon (CO2) emissions. Almost everything we do results in CO2 emissions, so it is difficult to know where to start cutting back. Below is a chart of the CO2 emissions of various activities and items to help put them in perspective.
Similar actions/items are grouped by alternating colors.
Details on the emissions values
- Hummer and Prius totals are after driven a typical year: 12,000 miles or 20,000 km.
- CF bulb is 13W, Incandescent is 60W. Total emissions are if left on for a full year.
- Household energy use is based on 12,000 kWh, an estimated average for North America.
- Old-model fridge is pre-1976 averaging 1,800 kWh/year. New-model fridge averages 500 kWh/year.
- Traveling estimates use average-load industry figures, not full capacity.
- A/C and fan estimates are based off average usage figures of 8 hours/day during a cooling season of 125 days.