A resource is something which is needed and used by humans.

As the world’s population has grown there has been a great increase in resource use and this has led to a great pressure on resources, some of which are now running out.

Sustainable development is development which meets the needs of the present without jeopardising the needs of future generations

Renewable energy is energy which can be used again and again and will never run out

National Parks are areas of outstanding natural beauty which have been preserved for the people of the future.

Tourism in LEDC’s continues to become more popular and this has both positive and negative effects on the countries involved

Green tourism is tourism which is environmentally friendly