Nothing hurts more than to go back to some of my early haunts, only to find that they have succumbed to suburban development.
there is a direct and powerful correlation between the rise of the human population and the rise of CO2 in Earth’s atmosphere during the past few decades.
We will find it increasingly difficult to feed and shelter increasing numbers of humans across our planet
As long as the human population on Earth is growing, nothing we are doing is particularly sustainable
At the first Earth Day, our campus slogan was, “Whatever your cause, it’s a lost cause unless we control population.”