By Paul Wilson | October 24, 2011 | 8:43 AM EDT

Halloween is traditionally a night of witches, ghosts, and monsters. But for environmentalists and their media allies, an even bigger scare is coming this Halloween: the birth of Earth's 7 billionth resident.

On Oct. 31, 2011, world population will reach 7 billion, according to the United Nations. For many people, this milestone is a cause for celebration and a human triumph. But for environmentalists on the radical left, the ever-growing legion of consuming humans is a harbinger of impending doom. The Washington Post cautioned that "ecological distortions are becoming more pronounced and widespread." Already the media are warning that population could more than double by 2100, according to a new UN report.

By Erin R. Brown | February 9, 2009 | 12:09 PM EST

A bestselling author has called octuplets-mother Nadya Sulamen a 'murderer' and warns of overpopulation saying, "we need to lose 4.4 billion people."“STOP HAVING CHILDREN.” Steven Kotler has declared that responsible adults should stop having children in order to save the planet. Those who are having kids, are being selfish and stealing from the future, the rest of humanity, and “every living thing on the earth,” he wrote. Have too many kids and you should go to jail.This isn’t a joke. Kotler writes a blog called “The Playing Field” on the Psychology Today Web site. He is a best selling author and an advocate of controlling population growth. His latest solution: a five-year moratorium on having kids.Kotler’s reasoning is that the planet is running out of resources. “You think the economy is bad now – wait a few years,” Kotler said. “Wait until we’re almost completely out of oil and food and water and available land ... we need to lose 4.4 billion people and we need to lose them fast.”