What it is
The CoolClimate Calculator from UC Berkeley estimates your household carbon footprint and generates a personalized climate action plan. It covers transportation, home energy, food, goods, and services. After calculating your footprint, the tool lets you model reduction scenarios: What if I switch to an EV? What if I eat less meat? What if I switch to heat pump? Each scenario shows the CO2 reduction and ranks actions by cost-effectiveness.
Why we picked this
The CoolClimate Calculator's peer-reviewed methodology distinguishes it from commercial calculators with marketing agendas. It includes consumption-based emissions (the carbon embedded in goods and services you buy), which most calculators ignore. This matters because consumption accounts for a larger share of household emissions than direct energy use for many households. The scenario modeling is the key feature: rather than just telling you your footprint, it lets you simulate specific changes and see which ones deliver the most impact for your situation.
Key takeaways
- Includes consumption-based emissions (goods, services, food) that account for 40 to 60% of total household footprint, a category most calculators ignore.
- The scenario modeling feature lets users simulate specific changes and compare CO2 reduction potential across multiple actions simultaneously.
- Peer-reviewed methodology developed by UC Berkeley's Renewable and Appropriate Energy Laboratory, with data updated annually from federal sources.