[Taken from Nathan's homework.]
1. They run out (eventually)
2. They create CO2
3. They make interest rates rise (in Oz)
4. They make people not vote for the ALP because of the mining tax
5. Costs a lot to transport
6. Makes pollution when burnt
7. Oil spills
8. Mining coal is dangerous. Many die.
9. Coal mining makes acid go into the waterways.
10. Coal mining makes methane go into the air.