AP Environmental Science

Unit 9: Air Pollution & Global Change

Master atmospheric composition, pollutants, smog formation, ozone depletion, and environmental policies with interactive learning tools.

Comprehensive coverage with mnemonics, diagrams, and key concepts organized by topic.

22 AP-style questions with instant feedback and detailed explanations powered by AI.

30+ flashcards covering vocabulary, equations, and key facts with shuffle and review modes.

What You'll Master

Atmosphere Layers

Major Pollutants

Key Policies

Filter Types

N₂ (78%), O₂ (21%), CO₂ (0.04%)

Direct emissions vs formed through reactions

NOx + VOCs + sunlight vs Coal/Oil burning

CFCs, Antarctic ozone hole, Montreal Protocol

SOx and NOx react with water vapor

Scrubbers, precipitators, catalytic converters