New Scientist: Imagine Earth Without People — Looks at how dominant humans are on earth and what happens if you could all whisk 6.5 billion them off. Article focuses on the recover of the atmosphere and the deterioration of our buildings, bridges and roads. For example, rural road overgrown in 20 years, urbran streets and buildings overgrown in 100 years and bridge collapse within 200 years. Blackouts occur with 48 hours as many power plants run out of fuel.
From the article, The London Times wrote: 200,000 years for all trace of Man to vanish from the Earth and built this time line here, as shown below: