19 December 2009
- 05:0305:03, 19 December 2009 diff hist +211 m Reducing airline's climate impact →Use of biofuels: Added JAL biofuel flight.
- 03:1803:18, 19 December 2009 diff hist +1,849 m Reducing airline's climate impact Added KLM biofuel flight. Internal links reconnected to Wikipedia.