As a counterpart to McKibben's The End of Nature, attached is a pdf of Alan Weisman's The World Without Us, an extended thought experiment on what the world would look like if humanity disappeared tomorrow - “Is it possible that, instead of heaving a huge biological sigh of relief, the world without us would miss us?”
See also the several video series on the theme of life after homo sapiens: https://www.youtube.com/watch?v=3o_ArhmvyCc