Reuters: Europe cannot accept a global deal to curb the growth of aviation emissions through a markets-based scheme starting in 2020 unless it allows for regional measures to operate in the interim, its top climate change official said Friday. Connie Hedegaard, European Commissioner for Climate Action, said because it would take at least seven years to get a global market scheme in place, measures like the EU's emissions trading scheme are needed in the meantime. Hedegaard spoke as delegates from more than...