"About a month after we disappear all cooling water on nuclear facilities will have evaporated. Millions of animals will die of cancer."

"After 300 years metal constructions such as the Eiffel tower will break."

"Whales will thrive and reproduce to the max of the ocean capacity to feed them."

"In 50 million years plastic bottles and pieces of broken glass will be the last trace of human existence."

"If in 300 million years there will be a new rational species they may not even notice we were there before."