Stitch, not for profit organisation that raises environmental awareness through the arts, is running a photography competition with categories "Green in Cities/ Greening Cities" and "Little Wonders of the World".
A £5 donation per image submitted goes to the charities Back2Earth and Butterfly Conservation.
Finalists will be exhibited in London the week of 14th May and there are £200 in prizes
For more information see The Stitch Project website.
(I'm tempted. Are you?)