ecological footprint

noun 0.769

carbon offset

noun 0.722

footprint

noun 0.700

carbon credit

noun 0.698

carbon cost

noun 0.670

water footprint

noun 0.665

greenhouse gas

noun 0.625

carbon dioxide

noun 0.598

carbon emissions trading

noun 0.598

carbon tax

noun 0.597

carbon trading

noun 0.594

carbon

noun 0.592

global warming

noun 0.588

carbon sink

noun 0.576

carbon cycle

noun 0.576

greenhouse effect

noun 0.571

carbon fixation

noun 0.564

carbon oxide

noun 0.563

carbon market

noun 0.558

climate catastrophe

noun 0.552

footmark

noun 0.547

black carbon

noun 0.546

fossil fuel

noun 0.541

air pollution

noun 0.541

carbon sequestration

noun 0.540

biocapacity

noun 0.537

carbon dating

noun 0.536

carbon monoxide

noun 0.525

emissions trading

noun 0.525

climate

noun 0.524

carbon fiber

noun 0.521

air pollutant

noun 0.517

footfall

noun 0.511

biomass

noun 0.510

green tax

noun 0.510

carbon burning

noun 0.504

green energy

noun 0.502

footstep

noun 0.502