Yes, it’s human activity. Stunning population growth, sprawling megacities and fossil fuels have changed the planet
Wired’s Brandon Keim: “From diverting a third of Earth’s available fresh water to planting and grazing two-fifths of its land surface, humankind has fiddled with the knobs of the Holocene, that 10,000-year period of climate stability that birthed civilization.”
We enter a new geologic time, an age of mankind’s making.