Sustainable environment, free flying and occasional fun.
Joint US/China statement 13/04/2013:
The U.S.A. and the People's Republic of China recognize that the increasing dangers presented by climate change measured against the inadequacy of the global response requires a more… urgent initiative... Both sides consider that the overwhelming scientific consensus regarding climate change constitutes a compelling call to action crucial to having a global impact on climate change.
Here's a nice "spiritual" hang gliding video giving you an idea of what it's like up there. The colours make it look like an old film but the glider is right up to the minute - the model after mine - curses!