ja martine

In the 1890s a cattle plague came off a ship into the Horn of Africa, and within a decade it had eaten the Serengeti alive. Rinderpest. It killed cattle, and it killed everything shaped like cattle. Wildebeest and buffalo, gone in their millions. At the low point the great herd had crashed to around three hundred thousand animals. Here is what a landscape does when you take the grazers off it. Nobody was left to eat the grass. It grew tall, died standing, dried to tinder, and every dry season fire tore through up to eighty per cent of the Serengeti. The soil bled its carbon into the sky. The green cradle of life you picture from every wildlife documentary spent the first half of the twentieth century as a net source of carbon, burning itself to the ground on repeat, because the animals that held it together were dead. Then, in the 1950s, a vaccine. They put it in the cattle, the reservoir dried up, and rinderpest fell apart. The grazers came back. Three hundred thousand wildebeest became over a million, and the grass met a wall of mouths again. The dead fuel got eaten instead of burned. The fires shrank. The trees returned. Birds followed the trees. The soil started banking carbon instead of coughing it up. A scorched carbon source turned back into the teeming carbon sink the whole world now flies in to photograph. The animals did not visit the thriving Serengeti. The animals built it. Rinderpest was wiped off the earth for good in 2011. Only the second disease in history we have ever fully eradicated. The first was smallpox. Now set that against the pitch of the moment. That the way to heal the planet is to strip the grazing animals off the grasslands and hand the land back to nature. We ran that experiment already. By accident. For fifty years. Nature, left to itself without the herds, set itself on fire.