According to this report in the BBC News World Edition, the Earth Summit appears tied in knots over a few issues that are essentially deadlocked, with some participants assigning greater priority to trade over sustainability. [Link]

US intransigence is being seen by European countries as a key problem of the summit.

Washington is refusing to contemplate binding targets for introducing renewable energy technologies like wind and solar power, which do not pollute the planet.

The US view, via CNN, is here. CNN also has an in depth special section.