Backed by a number of partners, Thames21 is an environmental organisation working to improve the quality of the River Thames, its tributaries and canals throughout London. It aims to transform London's waterways into a place where people, wildlife and business can prosper by working together with local businesses, community groups, statutory organisations and residents. Thames21 organises many clean-ups of the Thames, London's rivers and canals.

If you would like to be involved as an individual, a business or an organisation visit www.thames21.org.uk or telephone 020 7248 2916

This national charity is committed to helping citizens bring about change in their community, by funding practical assistance. The Scarman Trust aims to contribute to society by promoting a "can do" approach where active citizens can realise their potential. The Trust operates in partnership with a range of organisations and offers support, resource packs, awards and training.

For more information visit www.thescarmantrust.org or telephone 0207 689 6366

Adopt-a-Beach is a coastal marine initiative organised by the Marine Conservation Society (MCS). It encourages local people, groups or whole communities to become involved in caring for their immediate coastline or local beach. MCS aims to achieve a quantifiable reduction in the amount of litter in rivers and seas around the UK, thereby enhancing the quality of our aquatic environments.

If you would like to become involved in Adopt-a-Beach visit www.adoptabeach.org.uk or telephone the Litter Projects Team on 01989 567807.

The Living Streets initiative is a nationwide, ongoing campaign to win back the streets for everybody. The Living Streets Manifesto is the battle plan to enable communities to take over public space, by making streets places we want to spend time in. The campaign offers information, support, training and resource packs.

For specific information on dog fouling visit www.livingstreets.org.uk/ or telephone 0207 820 1010

CPRE is an organisation that campaigns to protect and enhance the countryside for the benefit of everyone. As well as highlighting problems and threats to the countryside, it carries out research, canvasses opinion and advocates solutions. CPRE seeks to influence policy makers and opinion formers at every level and often works in partnership with other local and national bodies. A number of publications available to order or you can join in one of the campaigns.

For more information visit www.cpre.org.uk or telephone 020 7981 2800