Green science -- You can save the Earth -- Charts, graphs, & tables -- Green power? -- All about energy -- Burning oil -- Biomass -- Hydro power -- Light bulbs -- Hydrogren cells -- Solar -- Biogas -- Windmills -- Passive solar -- People power -- Windows -- What a waste! -- The what and where of garbage -- Garbage detectives -- Landfills -- Recycled paper -- Buy in bulk -- Biodegradable -- We all need it -- Clean water -- Global picture -- Down the drain -- Xeriscaping -- Solar still -- Toxic trash -- We call it pollution -- Carbon dioxide -- Ozone -- Runoff -- Dirty cleaners -- Lights out!.