Scientists have discovered what they believe is the world’s oldest known forest — a set of 386-million-year-old fossilized root systems found in an old sandstone quarry in the Catskill Mountains in New York. The researchers say the new site is evidence that forests developed 2 to 3 million years earlier than previously thought. The findings...Read More

The largest low-emissions zone in southern Europe opens in Barcelona on New Year’s Day with a ban on the most polluting vehicles entering an urban area including the city and some satellite towns. Petrol-driven cars bought before 2000 and diesels older than 2006 will be banned and face a fine of €100-500 (£85-425) each time...Read More

The nondescript building on an industrial site near Kyoto gives little hint to the productivity inside: 30,000 heads of lettuce grow here daily, under artificial light and with barely any human intervention. This “vegetable factory”, using the latest vertical farming techniques, is part of a trend born out of necessity in Japan, where traditional farming...Read More