“You can't just look at the number of people. You have to look at their consumption.”— Paul R. Ehrlich
“Basically, then, there are only two kinds of solutions to the population problem. One is a 'birth rate solution,' in which we find ways to lower the birth rate. The other is a 'death rate solution,' in which ways to raise the death rate–war, famine, pestilence–find us.”— Paul R. Ehrlich
“A hundred years ago, there were one-and-a-half billion people on Earth. Now, over six billion crowd our fragile planet. But even so, there are still places barely touched by humanity.”— David Attenborough
“Solving the population problem is not going to solve the problems of racism... of sexism... of religious intolerance... of war... of gross economic inequality. But if you don't solve the population problem, you're not going to solve any of those problems.”— Paul R. Ehrlich
“Every person who is added to the population puts a burden on the environment and on the life-support systems of the planet.”— Paul R. Ehrlich
“The power of population is indefinitely greater than the power in the earth to produce subsistence for man.”— Thomas Malthus
“The population problem has no technical solution; it requires a fundamental extension in morality.”— Garrett Hardin
“A finite world can support only a finite population; therefore, population growth must eventually equal zero.”— Garrett Hardin
“Population, when unchecked, increases in a geometrical ratio. Subsistence increases only in an arithmetical ratio.”— Thomas Malthus
“The paramount issue of our age is not the atom bomb but the mushrooming population of the world.”— Edward P. Morgan
“Adding more people causes problems, but people are also the means to solve these problems.”— Julian Lincoln Simon