Useful Websites
- Part 1: System Earth and the Challenge of Sustainable Development
- Part 2: Non Fossil Fuel Energy Resources and Utilization of Underground Space
- Part 3: Thin section microscopy
- Part 4: Provenance and composition of mineral water
A patch of rainforest put on fire by villagers in order to create space for a rubber plantage. Sumatra, Indonesia. Picture by Arjan de Leeuw