What did IOC decided about firework displays at the opening and closing Olympics ?

Question

Firework displays at the opening and closing Olympics ceremonies polluted the environment. Can someone tell me the details of ICO decision about it?

Answer 1

what the guest said

Answer 2

An environmental debate has complicated the job of the International Olympic Committee (IOC), who are considering whether firework displays at the opening and closing Olympics ceremonies pollute too much and should be scrapped at the London 2012 Games. For more read: http://blogs.bettor.com/Firework-polluting-issue-confronts-International-Olympic-Committee-a36486