Alice Oswald

It's a relief to hear the rain. It's the sound of billions of drops, all equal, all equally committed to falling, like a sudden outbreak of democracy. Water, when it hits the ground, instantly becomes a puddle or rivulet or flood.

Topsoil is a place of digestion. It sucks and chews things into smaller pieces. When it's hungry, it turns grey and stony; when it's thirsty, it opens thousands of cracked lips. Subsoil is more skeletal: it doesn't digest.

In 1967, the world health community launched a global effort to eradicate smallpox. It took a coordinated, worldwide effort, required the commitment of every government, and cost $130 million dollars. By 1977, smallpox had disappeared.