A recent book from a Cambridge University economist finds that an optimal human population might range from 500 million to 5 billion.
Humankind faces what scientists have called a threat to the Earth's living things "so great that it is difficult to grasp for even well-informed experts".
The renowned biologist E. O. Wilson says the epicenter of all of our problems in the environment is runaway population growth.
As Global Population Grows, Ecological Threats and Armed Conflict Could Displace Over 1 Billion People by 2050
As the world's population continues to climb, ecological disasters and armed conflict could forcibly displace roughly 10% of humanity.
With the world’s population growing by more than 80 million annually, the environmental case for addressing population growth seems clear.
A recently published article asked European demographers about their attitudes towards climate change and population growth.
The International Union for the Conservation of Nature has passed a motion reaffirming the importance of addressing population matters.
It is time to recognize our hapless rush to disaster despite having the scientific knowledge of the pending effects of our intransigence.
If population growth doesn't get action and attention the price to be paid could be planetary death or tyranny for all of those who survive.
Societies can avoid a world population of 10.8 billion and related disasters – with education, contraception and emphasis on sustainability.