Most of you will probably be aware that leaders from around the world are currently gathered in Rio de Janeiro for the Rio+20 Earth Summit to discuss sustainable development, 20 years on from the original Earth Summit.
As you may know, the Deputy Prime Minister, Rt Hon Nick Clegg MP will be leading the UK Government's delegation in Rio. Last week he shared with us his ambitions for Rio+20 on RSPB Conservation Director Martin Harper's blog - have a read of the post here.
This is your opportunity to ask Nick Clegg any burning questions you might have about the Earth Summit. Do you have a burning question you'd like to ask the Deputy Prime Minister on Rio+20? If so, ask below and we’ll pick the best 20 questions for the Deputy Prime Minister to answer on his return from Rio+20.