Stephen Sackur talks to newsmakers and personalities from across the globe.
If the UN climate change summit in Copenhagen is to be a success the world's rich and developing nations must overcome deep differences. Sudan has a significant role in the pre-Copenhagen diplomacy.
Abdalmahmood Mohamed is Sudan's Ambassador at the UN and is also chairman of the G77 and China bloc of developing countries. If Copenhagen becomes a battleground between rich and poor, will we all lose out?