Abuse of the environment has been linked to the demise of empires.
As fast as the global population is expanding, forests around the world are disappearing with equal speed.
Draughts alone don't cause desertification, but drought, overgrazing and bad agricultural practices — the results of overpopulation — create more desert land.
The reasons for the inequitable distribution of human nourishment, worldwide, are complex and hotly debated.
Humanity is truly remarkable. Maybe we should take a moment, now and then, to appreciate just how unusual we are. There's no other species, at least none that we know of, that even considers its impact on the environment.
But it’s not our nature to sit around complacently waiting for the asteroid, not while we have this miraculous opportunity to preserve and enhance our planet. Just as we once visualized the first irrigated field, invented the first wheel and dreamed of machines that fly, we can visualize the earth as a beautiful and productive garden where millions of species thrive. Then we can build it.
Overpopulation and greed are obvious stumbling blocks to conservation efforts, but in the poorest parts of the world conservation is a luxury that simply can't be afforded.
Climate change is only a symptom of human overpopulation.
Couldn’t we create a sustainable healthy planet just because we decided to?
The good news: We can grow a lot more food than we could in the old days. The bad news: We can't grow enough
How one rural county without animal control regulations or a public pet shelter is working to make a better community for all residents — both humans and their companions.
We're probably on our way to a population-related catastrophe, after all.