Green Cities

Hawkins's computer was too literal. But his instinct — that Stonehenge handled information — survives every test the sixty years since have thrown at it. An investigation through stone provenance, isotopes, ancient DNA and landscape archaeology, ending with a named, testable hypothesis: the Gathering Engine.

Cities ran sewers and traffic computers long before anyone sold them the word. Around 2008 “smart” acquired an owner. Four product cities show what it cost.

Ocean temperatures hit a record 21.1°C in August, out of season. El Niño, climate change and what the hottest sea ever measured means for 2027