The World Land Trust www.worldlandtrust.org

The World Land Trust has been working to preserve the world's most biologically important and threatened lands, and has helped purchase and protect over 350,000 acres of habitats rich in wildlife, in Asia, Central/South America and UK.

Plantlife www.plantlife.org.uk

Plantlife International is dedicated exclusively to conserving all forms of plant life in their natural habitats, in the UK, Europe and across the world. The charity has 12,000 members and owns 23 nature reserves.

Sustrans www.sustrans.org.uk

Sustrans is leading the way in promoting cycling and walking as healthy forms of transport. Every day they are working on practical, innovative ways of dealing with transport challenges that affect us all.

Trees For Cities www.treesforcities.org

The aim of Trees For Cities is to tackle global warming, create social cohesion and beautify our cities through tree planting, community, education and training initiatives in urban areas of greatest need.

Woodland Heritage www.woodlandheritage.org.uk

Woodland Heritage was founded by a group of traditional cabinet makers who wanted to improve the way in which trees were grown, maintained and harvested in the UK.