pollution of the environment Environment: Under the Hole in the Sky: A City Copes with Harmful Rays + Short Answers + Gapped Summary
Energy Luxuries, Energy Limits - Love of Big S.U.V.s Is Fading + Multiple Choice
The New American Dream/Environmental Protection/Globalization/Emphasis on sustainability and traditional non-material values (ehem LK),
Wirtschaftliche und gesellschaftliche Verwicklungen