BBC News - Science & Environment Alligator snapping turtle's great escape 2016-12-02T18:42:58.000000Z A huge alligator snapping turtle got stuck in a blocked drain pipe in Houston, Texas. Hunter Mitchell raised thousands of dollars to save Osita the rhino. 2016-12-02T14:24:35.000000Z Hunter Mitchell raised thousands of dollars to save Osita the rhino. Europe presses ahead with Mars rover 2016-12-02T13:10:35.000000Z European research ministers meeting in Lucerne, Switzerland, emphatically reaffirm their commitment to putting a robot rover on Mars in 2021. Four major cities move to ban diesel vehicles by 2025 2016-12-02T07:47:11.000000Z The leaders of four major global cities say they will stop the use of all diesel powered cars and trucks by the middle of the next decade. Buzz Aldrin 'in good spirits' after South Pole evacuation 2016-12-01T22:25:46.000000Z Buzz Aldrin, the second man on the Moon, is evacuated from the South Pole after falling ill. Europe ministers debate space future 2016-12-01T20:26:48.000000Z Europe's research ministers negotiate over funding for the space station and a rover that would land on Mars to search for life. Space station supply craft 'burned up' 2016-12-01T18:13:21.000000Z The Russian space agency confirms the loss of an unmanned cargo ship heading for the International Space Station. 'Diet is global food policy's elephant in the room' 2016-12-01T17:35:38.000000Z Global food policy needs to shift way from focusing on feeding people enough calories to nourishing people, say leading food experts. Sutton Hoo bitumen links Syria with Anglo-Saxon England 2016-12-01T17:18:16.000000Z Analysis of black organic fragments found in the Sutton Hoo boat burial reveals they are bitumen from Syria. Trump's environment plans could spark opposition 2016-12-01T13:59:27.000000Z Proposals by the Trump administration to roll back US environmental regulations are likely to foment opposition, say analysts.