 On 20 July 2007, Magnette became minister for Health, Social Action and Equal Opportunity of the Walloon government.On 21 December 2007 Magnette became minister for Climate and Energy in the Verhofstadt III federal government.He held the post in the Leterme I Government and held the same post of minister for Climate and Energy in the Van Rompuy I Government, which took office on 30 December 2008, and in the Leterme II Government (25 November 2009 to on 5 December 2011).