• Atmospheric composition and graph measurement (p314).
• Carbon footprint
h/w – Act.1 p315
•Deforestation (p316) - Carbon cycle - Nitrogen cycle
• Greenhouse effect & Global warming
(p320)Remember: human impact = ENHANCED global warming.
• Desertification (p324)•Droughts and floods (p326)
• Methane emissions (p328)•Ozone depletion (p329)
• Availability (p333)•Dams
• Destruction of wetlands (p335)
• Poor farming practices (p336 – 339)