The US population is wealthier, older, less fertile and more influenced by immigration than the other countries projected to experience major population growth, so why is the U.S. population is expected to grow much more than other wealthy countries?
Clearly, cities have environmental benefits, but the real reason that I am so highly in favor of the world's trend towards urbanization is because cities are the centers of idea exchange.
Rick Santorum's outrageous attacks on contraception and gay marriage are rooted in the notion that sex be about procreation only. He is not alone. He ...
Mankind reached its first billion just as the 19th century got underway. That feat of fecundity required eons. It took us just 12 years, however, to tack on the last billion. We're definitely on a roll.
The Occupy movement has been incredibly inspiring. But it is time to move beyond mere inspiration. We must parlay this unprecedented (in most of our lifetimes) uprising into an effective and lasting transformation.
Those who exult are apt to embrace the philosophy "the more, the merrier". Those who have grave reservations worry that the human race is in danger of overrunning the planet's natural resource carrying capacity.
"Hump smarter, save the snail darter." "Cover your tweedle, save the American burying beetle." Who knew talking about extinction could be such fun?
Reaching seven billion may be a milestone today, but unless we address women being able to access modern contraception, this number will only increase and bring with it dire consequences.
The time has come to see that choosing adoption as a first choice, not a last option, for growing your family is the right thing to do -- for the planet, for a woman's body, and for the parentless children who ache for family.
Mass extinction is finally fighting its way back into the news cycle, thanks to recently scary reports on climate change.
It's past time for us to look our fear in the face and acknowledge that it is capable of bringing about our imminent destruction.
Here it is: A mere 40 years from now, the world population, which just recently reached a sweating, gasping seven billion, will be well over nine billion.
For the first time in human history, we have to respond as a single species to crises of our own making. Until now, this kind of unified effort only happened in science fiction when space aliens invaded Earth.
In the U.S., the continued prevalence of both a poorly educated underclass and a group of anti-modern, science-skeptical religious communities who reject equal opportunity for women makes us the "least developed" industrial society.
I find myself second-guessing every environmental decision since I produced this little being of natural destruction.
The Coming Famine, a sobering book by Julian Cribb, warns that global food security will become the overriding concern for all mankind by around 2050 unless corrective action is taken soon.
Tired of hearing Mitt Romney crow about his record of balancing...
Of the four contenders, Rick Santorum had the best night. It...