import type { CarbonFootprintInput, CarbonFootprintResult } from './types.js';
/**
 * Calculate carbon footprint from electricity usage
 *
 * CO2 (kg) = electricity usage (kWh) * emission factor (g CO2/kWh) / 1000
 * Trees equivalent = CO2 (kg) / 21.76 (kg CO2 absorbed per tree per year)
 * Cars equivalent = CO2 (kg) / 4600 (kg CO2 emitted per car per year)
 *
 * @param input - Carbon footprint input parameters
 * @returns Carbon footprint result with CO2 emissions and environmental equivalents
 */
export declare function carbonFootprint(input: CarbonFootprintInput): CarbonFootprintResult;
//# sourceMappingURL=carbonFootprint.d.ts.map