Grimsson promotes the intelligent use of renewable energy resources and is providing world leaders with an invaluable insight into how their own economies might make the switch to more renewable sources of energy . Olafur Stein is Principal Voices ' Climate Advisor for the Ministry of Environment . Grimsson has been President of the Parliament of Iceland since 1996 . He has called repeatedly for international cooperation on climate change .
Olafur Stein is Principal Voices ' Climate Advisor for the Ministry of Environment . Grimsson has been President of the Parliament of Iceland since 1996 . He has called repeatedly for international cooperation on climate change .