In the first installment of a new feature on international green buildings, Lenny Antonelli takes a look at five innovative, sustainable and striking buildings from around the world.

A vital meeting in Copenhagen this weekend that will help shape the agenda for the most important climate change talks since the Kyoto protocol has been hijacked by some of the biggest polluters in the world, critics claimed today.  

Barack Obama may be forced to delay signing up to a new international agreement on climate change in Copenhagen at the end of the year.

More bad news on climate change is expected as more than 2,000 climate scientists gather in Copenhagen. They will be trying to pull together the latest research on global warming ahead of political negotiations later in the year.