Question 1

What does the Climate tool calculate or show?

Accepted Answer

The Climate tool calculates your personal carbon footprint across home energy, transportation, diet, and consumption. It shows how your emissions compare to national averages and identifies the highest-impact areas to reduce.

Question 2

How accurate is the carbon footprint estimate?

Accepted Answer

The calculator uses EPA and IPCC emission factors for US-based users, with regional grid intensity data for electricity. Estimates are approximate — real footprints vary based on specifics the tool can't measure — but they're accurate enough for meaningful comparison and prioritization.

Question 3

What actions have the biggest climate impact?

Accepted Answer

Research consistently shows the top individual actions are: eliminating one transatlantic flight (~1.5 tons CO2), switching to a plant-rich diet (~0.5-1.5 tons/year), living car-free (~2.4 tons/year), and switching to renewable electricity. The tool quantifies these for your specific situation.

Question 4

Can I track my carbon footprint over time?

Accepted Answer

Yes. You can save baseline estimates and recheck periodically to see whether your changes are actually reducing your footprint. The trend view shows progress month-over-month.

Question 5

Does the tool recommend carbon offsets?

Accepted Answer

The tool provides information about carbon offsets but focuses primarily on direct reductions, which have more certain impact. If you do want to offset, it surfaces high-quality verified offset programs rather than low-quality alternatives.

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