How to Wreck a Planet in 3,000 Years

This is an interesting, though bit depressing, series they are doing on the IO9 blog that shows how much impact humans are having on the planet. Even though the planet is tough and will probably be here a long, long time, these images show that we as a species can do a lot of damage in the mean time:

Terraforming Earth, Pt. 1: How to Wreck a Planet in 3,000 Years

Terraforming Earth, Pt. 2: The Law of Unintended Consequences

Terraforming Earth, Pt. 3: There Was an Old Lady Who Swallowed a Fly