Do you ever wish the Government would pay more attention to young people on issues that affect your future? Here's your chance to have your say!
Last Friday David Cameron received a special delivery at 10 Downing Street: thousands of messages from you - children and young people from across the UK - written on paper and cardboard footprints.
COP17, an important meeting in Durban, South Africa, where politicians from around the world talked about how to fight climate change, ended last weekend. What happened – and what does it mean for children and young people around the world?