Recycling

•       Used computer equipment, cell phones, batteries, other electronic equipment
•       Plastic bags, non-biodegradeable waste
•       Plant material, organic material
•       Other

Environment

•     How to save energy, individuals, at home
•     Use of green cleaning chemicals, disposal of chemical waste
•     Endangered species, animals and plants
•     Global warming

Nutrition

•     Eating disorders – obesity, eating disorders

Health

•     Effects of drugs, addiction
•     Bird flu
•     Malaria
•     Cancer
•     Heart disease, e.g., high blood pressure, strokes, heart attack
•     Asthma
•     Diabetes
•     Other
•     Diseases of the elderly, e.g., osteoporosis, arthritis
•     Mental health

Renewable/Alternative Energy

•     Solar energy, e.g. solar cells, CSP (concentrating solar power)
•     Fuel cells
•     Hydrogen
•     Ethanol
•     Wind
•     Geothermal
•     Tidal
•     Hybrid, electric cars
•     Other