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Opinion: Billionaires 'kvetching' about population collapse

The world population is unlikely to collapse soon, and the imagined demographic outcome of some billionaires is by no means the greatest risk to the future of civilization.
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MIT predicted in 1972 that society will collapse this century. New research shows we’re on schedule.

A 1972 MIT study predicted that rapid economic growth would lead to societal collapse in the mid 21st century. A new paper shows we’re unfortunately right on schedule.

Expanding opportunities for women and economic uncertainty are both factors in declining US fertility rates

Economic opportunities, social norms and expanding education and employment options for many women help explain why U.S. fertility has slowed in the late 20th and early 21st centuries.

The sperm-count 'crisis' doesn't add up, new study contends

Reports of a decline in male fertility rely on flawed assumptions, a new study contends.

Toxic chemicals linked to lower egg counts in women

The higher the chemical levels found in a woman's blood, the fewer eggs they had left in their ovaries.

Global warming is boiling our testicles, suggesting a new animal fertility crisis looms

Scientists say overheating could render animals — including humans — increasingly infertile.


Scientists warn of fertility loss in many species due to climate change

In our era of rapid climate change, many of our planet's lifeforms will struggle to survive the increased heat stress that comes from warming global temperatures, provoking concern about looming biodiversity losses.

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Spermaggedon in the West? Relax, Harvard has good news for you

Is humankind really facing "Spermageddon," a decline in sperm count that could spell the end of the species? A new paper from Harvard University, MIT and others provides an alternative interpretation of the facts.


Fertility & Environmental Justice: A conversation with Shanna Swan and Annie Hoang

Agents of Change founder and director Dr. Ami Zota sat down with Dr. Shanna Swan and Annie Hoang to discuss fertility, environmental chemicals, and reproductive justice.

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Male fertility: How everyday chemicals are destroying sperm counts in humans and animals

Our chemical environment appears responsible for an alarming plummet in sperm counts – in humans and in animals.

Stealth chemicals: A call to action on a threat to human fertility

In an interview with Yale e360, epidemiologist Shanna Swan talks about how falling sperm counts and other fertility problems are linked to chemicals in consumer products and explains why the Biden administration needs to follow Europe’s lead in restricting these substances.
Plastic Pollution

Why more men are suffering from infertility than ever before

Men's average sperm counts are down globally and testosterone levels have plunged, while erectile dysfunction is, cruelly, on the rise.


Countdown: An expert predicts the West's sperm count will soon be zero

Call it an existential crisis. According to a 2017 analysis co-authored by Shanna, the Western world's collective swimmers have been taking a dive — between 1973 and 2011, there was a 59% decrease in sperm count.

Falling sperm counts 'threaten human survival', expert warns

Epidemiologist Shanna Swan says low counts and changes to sexual development could endanger human species
From our Newsroom

Researchers, doctors call for regulators to reassess safety of taking acetaminophen during pregnancy

The painkiller, taken by half of pregnant women worldwide, could be contributing to rising rates of reproductive system problems and neurodevelopmental disorders like ADHD and autism.

LISTEN: Azmal Hossan on the sociology of climate crises in South Asia

"If we look at the rate of carbon emissions, most is emitted by the developed and industrialized countries, but the problem is poor countries like Bangladesh are the main sufferers."

Op-ed: We don’t have time for another fossil fuel bridge

Those holding up carbon capture and hydrogen as new climate solutions are leading us down the wrong path.

Climate storytelling: Creativity and imagination in the face of bleak realities

Working with youth writers on a climate-fiction screenplay has opened my eyes to the power of the arts in confronting environmental crises.

Ocean plastic pollution

Too much plastic is ending up in the ocean — and making its way back onto our dinner plates.

Peter Dykstra: Protected by an alphabet soup of acronyms

CITES, CCAMLR, LDC, MBTA, CBD, Ramsar, LWCF ... they may make your eyes glaze over, but they protect our health and planet.

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