It's expected to be one the success stories to come out of the climate change conference in Copenhagen.
Giving developing countries an incentive to keep their trees standing.
The loss of tropical forests contributes about 15 % - some sources say more - of global greenhouse gases.
The U-N is proposing a framework called REDD -Reduced Emissions from Deforestation and Degradation.
It allows tropical nations like Brazil and Indonesia to earn carbon credits by pledging to keep their forests.
Many say some plan to stop deforestation will be agreed upon at the climate talks because both developing and developed nations support it.
CBC's Connie Watson will have that story on the show.
Meanwhile Google.org demonstrated a new technology in Copenhagen that allows users to observe and measure changes in the Earth's forests.
It's being offered as a not-for-profit service to all countries and Google says it will help scientists in tropical nations track deforestation.

Saira Syed