These bleak and cold worlds are almost totally covered with vast tundra plains, taiga forrests, and semi-frozen oceans.
In thier natural state they usually offer an abundance of mineral rescources to those willing to live in the harsh conditions, although with a little work and care the environment can be improved to almost terrestrial conditions.

90%	80%	70%	60%	50%
40%	30%	20%	10%	0%

See Also: World