We have a finite amount of time left to coexist with large parts of the biosphere, including thousands of species of plants and animals.
Waterlogged hillsides are dangerous. For those who live on them, or further downhill, they can be life-threatening.
The mass of all the people on the planet is more or less 10 times the mass of all living wild mammals.
More frequent droughts, predicted for the future, may not allow ecosystems enough time to recover before the next prolonged dry spell.
Book Suggests That as a Result of Our Environmental Actions, We Are Contemplating Our Own Extinction
Human mistreatment of the planet is ushering in a new geological era—one that will not be pleasant, according to public ethics professor Clive Hamilton's "Defiant Earth."
It's not humanity alone that threatens life on earth. The bigger culprit is an economic and political system that relies on endless global appropriation of cheap food, energy, raw materials and labor.