( CNN ) -- On December 15 , CNN joins forces with YouTube to host a global debate on the environmental challenges facing our planet . The one-hour debate , hosted by CNN 's Becky Anderson , will air live on CNN.com and YouTube from Copenhagen , Denmark where world leaders are meeting to form a global treaty on climate change . You can also watch the debate on CNN International from December 16 . Have your say at COP15 -- Join the CNN/YouTube debate . The debate comes just days before the end of the United Nations summit on climate change where negotiators have been hard at work on a draft treaty to set limits on carbon emissions and to secure funding to help poor nations to cope with the challenges of a warming world . It follows a special week of `` Going Green '' coverage on CNN to highlight the impact of climate change around the world .
CNN and YouTube host a one-hour debate on December 15 about climate change challenge . Debate will air live on CNN.com , and later on CNN International . The event is sponsored by the Climate Reality Project (CRP), which has been working to raise awareness of global warming since 2007. World leaders are seeking a global agreement to reduce carbon emissions .