BBC NEWS | Science/Nature | Cities dim lights for environment

BBC NEWS | Science/Nature | Cities dim lights for environment: "Sydney was the first major city to begin 'Earth Hour', when at 2000 (0900 GMT), lights went out on landmarks like the Opera House and Harbour Bridge.

Bangkok, Toronto, Chicago and Dublin are among 27 other cities officially due to follow suit at 2000 local time."

This was due to take place yesterday. Is good to build public awareness, however many of these countries are also the biggest polluters in terms of green house gases per person.