▁Ernst ▁& ▁Young ▁Entre pr ene ur ▁of ▁the ▁Year ▁Award . ▁In ▁ 2 0 1 4 , ▁Lie bre ich ▁won ▁a ▁C lean ▁Air ▁City ▁Award ▁for ▁his ▁personal ▁contribution ▁to ▁impro ving ▁London ' s ▁air ▁quality . ▁ ▁Bibli ography ▁Michael , ▁Lie bre ich ▁( 2 0 1 1 ) ▁" Time ▁to ▁Ref lect , ▁Ref ocus , ▁Re inv ig or ate ". ▁" The ▁Road ▁to ▁Rio + 2 0 : ▁For ▁a ▁Development - L ed ▁Green ▁Econom y ". ▁ ▁Morgan , ▁B az ilian , ▁Andrew ▁R ice , ▁Jul iana ▁Rot ich , ▁Mark ▁How ells , ▁Joseph ▁De Car olis , ▁Stuart ▁Mac Mill an , ▁Camer on ▁Bro oks , ▁Flor ian ▁B auer , ▁Michael ▁Lie bre ich ▁( Oct ober ▁ 2 0 1 2 ). ▁" Open ▁source ▁software ▁and ▁crow ds our cing ▁for ▁energy ▁analysis ". ▁Energy ▁Policy ▁( Volume ▁ 4 9 ): ▁ 1 4 9 – 1 5 3 . ▁Morgan , ▁B az ilian , ▁I je oma ▁O ny e ji , ▁Michael ▁Lie bre ich , ▁Ian ▁Mac G ill , ▁Jenn ifer ▁Ch ase , ▁J ig ar ▁Shah , ▁D olf ▁G iel en , ▁Doug ▁Ar ent , ▁Doug ▁Land f ear , ▁Sh i ▁Z hen gr ong ▁( May ▁ 2 0 1 3 ). ▁" Re - cons ider ing ▁the ▁econom ics ▁of ▁phot ov olta ic ▁power ". ▁Ren