Emissions
Discharge of substances into environment; typically refers to greenhouse gases.
Formula
Net Zero = Emissions Produced − Emissions Removed = 0
Real World
Ryanair has faced criticism for high CO₂ emissions per passenger; under EU emissions trading rules it must purchase carbon allowances, directly increasing operating costs and influencing ticket pricing strategy.
Exam Focus
Link emissions to business costs and stakeholder pressure in the same sentence — exam answers that isolate these points rarely score top marks.
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