The example that Alan Weisman gives at the beginning of the chapter to contrast the power of humans with the power of nature is the collapse of the World trade center. Option D is correct.
Alan Weisman on his book "The world without us" offers an overview on how humans are causing highly and increasing negative effect on nature.
In The World Without Us, Alan Weisman provides an utterly original approach to questions of humanity's impact on the planet: he asks us to envision our Earth, without us.
