Watch part two
As leaders from around the world meet in Copenhagen for talks on climate change people in the developing world are already living through the consequences of global warming.
Subsistence farmers in Africa and Asia are among the hardest hit by droughts and flooding caused by the changing environment.
Without the necessary political will and billions of dollars of investment scientists warn of potentially devastating consequences: 25 million more starving children by 2050, huge areas of land lost to rising sea levels and millions of people being displaced from their homes.
Will the world come together to take action quickly enough to avert these potential disasters and what will the Copenhagen conference really achieve?
Joining Riz Khan to discuss this issue is Helen Clark, the United Nations top official on development and climate change and the former prime minister of New Zealand.
This episode of the Riz Khan show aired on Tuesday, December 8.
Source: Al Jazeera