Forgot which page you found an interesting link? Here they are again, plus some other great websites:
BTCV
Sonning Common Green Gym
Wallingford Green Gym
Horsham Green Gym
Other Gyms
Bure Park Residents Assn
Wendlebury Woodland Project
Oxfordshire Woodland Project
Great Crested Newts
Bicester Town Council
Cherwell District Council
Oxford Nature Conservation Forum
Natural England
Woodland Trust
BBC Breathing Places