"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."

"If I were a gambler, I would take even money that England will not exist in the year 2000."

"The battle to feed all of humanity is over. In the 1970s and 1980s hundreds of millions of people will starve to death..."

"By...[1975] some experts feel that food shortages will have escalated the present level of world hunger and starvation into famines of unbelievable proportions. Other experts, more optimistic, think the ultimate food-population collision will not occur until the decade of the 1980s."

"The battle to feed humanity is over. In the 1970s the world will undergo famines . . . hundreds of millions of people (including Americans) are going to starve to death."

"'Smog disasters' in 1973 might kill 200,000 people in New York and Los Angeles."

"Before 1985, mankind will enter a genuine age of scarcity . . . in which the accessible supplies of many key minerals will be facing depletion."

"By 1985 enough millions will have died to reduce the earth's population to some acceptable level, like 1.5 billion people."

"By 1980 the United States would see its life expectancy drop to 42 because of pesticides, and by 1999 its population would drop to 22.6 million."

"Since natural resources are finite, increased consumption must inevitably lead to depletion and scarcity."

"Human-induced land degradation affects about 40% of the planet's vegetated land surface," and is "accelerating nearly everywhere, reducing crop yields."

"Giving society cheap, abundant energy would be the equivalent of giving an idiot child a machine gun."

"We've already had too much economic growth in the United States. Economic growth in rich countries like ours is the disease, not the cure."

"The battle to feed humanity is over. In the 1970s, the world will undergo famines. Hundreds of millions of people are going to starve to death in spite of any crash programs embarked upon now. Population control is the only answer."

Paul Ehrlich is the President for the Center for Conservation Biology, and Bing Professor of Population Studies at Stanford University.