There is a dawning realization from many quarters that the changes humans are making on the planet are comparable to the changes of a major geological era. The scientific evidence says we are damaging life systems on Earth and causing species extinction (20,000 species lost annually) at such a rate as to bring about the end of our current period, the Cenozoic era. No such mass extinction has occurred since the dinosaurs were eliminated 65 million years ago by an asteroid. Our period is considered to be the sixth major extinction in Earth's 4.7 billion-year history, and in this case humans are the primary cause. Yet the new generation is responding to the call...
↧