This event will happen tomorrow, Dec. 15th. If you submit a question today, you can still get it considered.

CNN and YouTube are conducting a live debate in Copenhagen on December 15, where leaders and activists at COP15 will come together to answer your top-ranked questions on climate change. Panelists will include former U.N. Secretary General Kofi Annan, journalist Thomas Friedman, U.N. Executive Secretary Yves de Boer and author Bjorn Lomberg.

Written by PAUL EDWARDS.