Cities: Canary in the Coal Mine?

Cities: Canary in the Coal Mine?

By Christopher Haines When Luke Howard discovered heat islands in 1818, it was not his first scientific breakthrough. In 1802, the thirty-year-old chemist (pharmacist) and amateur scientist presented “The Modification of Clouds” capping his childhood fascination with clouds by creating the classification system that we still use today. He won worldwide fame, with no less a figure than Johann Wolfgang von Goethe writing poetry, “In Honour of Howa…