These were predictions made in the 1970’s… It’s important to note that some of these people now work in the Obama administration:
“We are in an environmental crisis which threatens the survival of this nation, and of the world as a suitable place of human habitation.” – Barry Commoner, Washington University biologist
“Population will inevitably and completely outstrip whatever small increases in food supplies we make. The death rate will increase until at least 100-200 million people per year will be starving to death during the next ten years.” – Paul Ehrlich, Stanford University biologist
“Scientists have solid experimental and theoretical evidence to support…the following predictions: In a decade, urban dwellers will have to wear gas masks to survive air pollution…by 1985 air pollution will have reduced the amount of sunlight reaching earth by one half…” – Life Magazine