World Biodiversity Day · 22 May
(We're not being great hosts, honestly.)
Chapter I
Biodiversity isn't a nature word. It's the operating system of everything — the web of species, genetics, and ecosystems that keeps the air breathable, the water clean, the food growing, and the climate stable enough to have a civilization in.
We are currently in the sixth mass extinction event in Earth's history. The previous five were caused by asteroids, ice ages, and volcanic winters. This one is caused by us — and unlike the others, we know it's happening. Which means we can still do something about it.
Chapter II
Species currently facing extinction. Not in geological time — in this century, possibly this generation.
To understand what that means, consider this: when a pollinator goes extinct, every plant it served goes with it — which takes down every animal that ate that plant, which changes the soil, which alters what can grow there. Extinction isn't a single loss. It's a cascade.
The IPBES 2019 Global Assessment — the most comprehensive review of nature ever conducted — found that the rate of species extinction is now tens to hundreds of times higher than it has been on average over the last ten million years. And it is accelerating.
“The health of ecosystems on which we and all other species depend is deteriorating more rapidly than ever.”
— IPBES Chair, Robert Watson, 2019
The drivers are the same ones we've been warned about for decades: habitat loss, overexploitation, climate change, pollution, and invasive species. What's new is the urgency. We've crossed from “something to worry about” to “something happening right now.”
Chapter III
01
Russian Far East · Critically Endangered · ~100 individuals
The rarest big cat on Earth survives in a single forested corridor along the Russian-Chinese border. Its population dropped to around 30 in the 1970s — the result of poaching, prey depletion, and logging that stripped its range to a fragment. Through protected areas and anti-poaching programs it has tripled. Which sounds like progress until you remember the number is still 100.
↳ faster than any other big cat
02
Tropical Oceans · Critically Endangered · 8,000 nesting females remain
For 100 million years the hawksbill navigated oceans that no longer exist, outlasting continents. It survived five mass extinctions. In the span of one human lifetime, its population collapsed by 80 percent — hunted for its shell, entangled in fishing gear, losing its nesting beaches to development. The species that survived the asteroid that killed the dinosaurs is now being undone by handbags.
↳ a living relic of the Cretaceous
03
Sumatra, Indonesia · Critically Endangered · ~13,000 individuals
Orangutans share 96.9% of their DNA with us. They build sleeping nests each night, use tools, pass knowledge between generations, and grieve. They are also losing their forest — replaced by palm oil plantations — at a rate that has halved their population in 75 years. What happens to a highly intelligent, socially complex animal when its entire world is cleared for cooking oil? We are finding out.
↳ person of the forest — the literal translation of orangutan
Chapter IV
Since 1993, 1,780 species have been moved to a less threatened category on the IUCN Red List. Not because the data changed — because their populations grew. The methods are unglamorous: habitat protection, hunting bans, captive breeding, reintroduction. What they have in common is political will, funding, and time.
Bald Eagle
417 nesting pairs, 1963 → 9,789 pairs by 2006
Banned DDT. Protected habitat. Waited.
Humpback Whale
~1,500 individuals, 1966 → ~80,000 today
Ended commercial whaling. The ocean did the rest.
Grey Wolf
Locally extinct in Yellowstone → Thriving packs — and the entire ecosystem changed
Reintroduced 31 wolves in 1995. Rivers literally changed course.
Giant Panda
~1,000 left in the 1980s → ~1,900 — downlisted from Endangered to Vulnerable
Habitat corridors. Breeding programs. Political will.
The problem has never been a lack of solutions. It has always been a lack of urgency. That is what Biodiversity Day is for.
Chapter V
Not a donation ask. Not a petition. Just one specific, doable thing you will actually do. Write it down. It matters more than it sounds.