Across
- 2. This agency is responsible for managing rangelands and also land that can be used to extract oil, gas, coal, and minerals (abbreviated).
- 4. Compared to rural areas, most _______ have a higher ambient temperature at day and night due to the urban heat island effect.
- 6. These areas with spongy, wet soil are becoming more scarce in west coast forests.
- 8. Compared to today's metro system in LA, the _______ had a much more extensive network of rail spanning all across southern California, and was also cheap to ride.
- 9. These are nature's way of clearing forests of dead underbrush and smaller trees, helping to keep forests less crowded (two words).
- 11. Asphalt has an ______ value of 0.10, which means that it absorbs 90% of the sun's light energy.
- 13. 30% of America's land is considered to be this.
- 14. In this low-biodiversity area of land, trees of the same age are planted for high volume production of wood (two words).
- 15. If you combine deforestation with overgrazing, this is possible.
Down
- 1. This term describes low-density development at the edges of cities (two words).
- 3. This practice of harvesting lumber entails removing all trees in an area (two words).
- 5. Generally, this entails the removal of lanes, reducing the width of lanes, and designing streets to be more traffic efficient and safer (two words).
- 7. When a city is planning for its transportation space needs, these should have the highest priority (instead of the least-efficient, single occupancy cars).
- 10. Instead of removing all of the trees in an area, this method of harvesting lumber entails cutting down only certain trees (two words).
- 12. Most of America's public lands can be found on this coast.
- 16. More lanes, along with wider lanes, typically results in a higher vehicle ________.