In 1992, the leaders of more than 100 glob countries met at the Earth Summit, a United Nations conference in Rio de Janeiro. They discussed issues which affect the such as pollution and climate change, and talked about possible 2 to these problems. At this conference, they adopted a global strategy for 'sustainable development' local This means economic and social development which doesn't destroy the environment. One of the most important parts of their strategy is now called 'Local Agenda 21 The idea behind Local Agenda 21 (21 refers to the 21st century) is that if a lot of people do small things locally, then they can have a big impact nationally and an even bigger impact globally or example, one person decides to take the bus to makes a very than drive a car, or always 3 their rubbish, it only small difference. However, if millions of people across the world do the same, the impact is huge. It's easy for every individual to do something small every day at home, at school, or at work. Local Agenda 21 encourages a collective responsibility towards the environment. For it to be effective, everyone in a 4 needs to work together ocal councils need to provide good s such as recycling and public transport, and people need to use them. If everyone plays their part in a small way, they can both improve their local area and help t 6 the global environment