Across
- 1. the increased temperature in a city
- 3. the clearing of trees from an area without replacing them
- 4. allowing more animals to graze in an area than the range can support
- 5. rapid expansion of a city into the countryside around the city
- 6. all of the things that society builds for public use
- 9. the process by which trees are planted to re-establish trees that have been cut down in a forest land
- 10. land that contains relatively few people and large areas of open space
- 11. an area in which the land and the ecosystems it supports are protected from all exploitation
Down
- 2. the resources that are produced by natural and artificial ecosystems
- 7. the movement of people from rural areas to cities
- 8. land that is covered mainly with buildings and roads
