Planet under pressure
A six-part BBC News Online series looking at some of the most pressing environmental issues facing the human race today. [Plus, a lot of other related links. I love the BBC, really.]
Part 1: Species under threat.
Part 2: World water crisis.
Part 3: Soaring energy demand.
Part 4: Can the planet feed us?
Part 5: Tackling climate change.
Part 6: Fighting pollution.