As the world commemorates Earth Day on Saturday, the footprints of human activity are visible across the planet’s surface. The relationship between people and the natural world will have consequences for years to come.
In megacities, like the rapidly growing Kuala Lumpur in Malaysia, skyscrapers shoot upwards while in Guyana excavators dig deep into the earth for deposits of gold. On land, farmers are at the whims of the weather, with patterns being altered by climate change. In Argentina, parched lands turn crops to gray. Just outside Barcelona, new cracked, thirsty water beds appear after months of little to no rain.