News roundup: Brown goes nuclear
Gordon Brown is backing a nuclear future for Britain to meet C02 emission targets; Greenpeace compare move to 'taking up smoking to lose weight' [Observer]
Leo DiCaprio premieres his new documentary on climate change — The 11th Hour — at Cannes [Ecorazzi]
Allergy concerns prompted by 'green laundry' guidelines; 30 degrees 'won't kill all dustmites' researchers say [BBC]
New primetime TV ads to be aired from tonight urge motorists to show respect for the environment [24-Dash]
