What Level Of CO2 Is Safe? ‘There is no need to speculate about what would happen at 300 ppm, as we have plenty of historical records from 19th century – when CO2 was below 300 ppm’
Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the...
Indonesia's Mount Semeru has erupted, pouring ash and smoke an estimated 5.6km (3.4 miles) into the sky above Java, the country's most densely populated...
