Overpopulation can impair fertility. A new study explains why
Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded mice have smaller broods. In humans, several studies have...
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Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded mice have smaller broods. In humans, several studies have...
The population crisis is an accumulated result of several other crises
Humanity may already be living far beyond what Earth can sustainably support, according to a sweeping new study analyzing more than 200 years of population and environmental data....
By 1987, Kowloon Walled City held an estimated 33,000 residents on 2.6 hectares — "approximately 1.2 million inhabitants per square kilometer (3 million per square mile)," accordin...
India, the most populous nation on Earth that spent half a century fighting what it called a population explosion, is now having too few children to sustain its population over the...
One of the easiest ways to get 2100 wrong is to carry the 20th-century population curve forward as if it still defines the future. The world went from about 2.5 billion people in 1...
For much of the 20th century, many were accustomed to thinking of people as an ever-expanding resource. As the number of people grew, so did labour markets, consumer markets, scien...
Researchers have outlined a dramatic worst-case projection in which Earth’s human population could plummet sharply within the next four decades, potentially halving from its curren...
In 1775, a year before the Declaration of Independence was signed, a Harvard professor named Edward Wigglesworth did the math on American population growth and could barely contain...
According to the latest population data released by Chinese authorities for 2025, 24 of China’s provincial-level regions recorded a decline in their resident population. Of China’s...
The global elite have been warning about overpopulation for a long time. Many of them are convinced that humanity is the greatest environmental threat that our planet faces, and so...
Says responsible, prudent population planning and management form the foundation of a welfare-oriented society
The Kinder Institute's 2026 State of Housing Report found that in Harris County there's a high rate of people living in overcrowded homes.
A new study warns the global population could be halved by 2064, but experts say housing scarcity poses a more immediate threat to growth.
How often do you think about the global population? There are more than 7 billion people living on our planet, and that number will continue to climb. The earth could hold more tha...
Falling birth rates reveal a deeper social problem: many people who want children feel blocked by economic, housing, gender, and climate pressures. Birth rates have been falling ar...
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