Developing countries such as Brazil, India and China have indicated that if - as expected in the next few years - they are going to have to make sacrifices to reduce carbon emissions, they should be able to license some of the most efficient available technologies for doing so.Green technology should be shared (Thanks, Owlswan!)
Big business is worried about this, because they prefer that patent rights have absolute supremacy. They want to make sure that climate change talks don't erode the power that they have gained through the World Trade Organisation.
The WTO is widely misunderstood and misrepresented as an organisation designed to promote free trade. In fact, some of its most economically important rules promote the opposite: the costliest forms of protectionism in the world.