Agence France-Presse: The EU remained firm Saturday on its push to move to a 30 percent cut in carbon dioxide emissions by 2020 despite the failure of last month’s UN climate summit to secure a legally-binding deal. Several participants at an informal meeting of European environment ministers in Seville in southeastern Spain said the proposal must remain on the table in the wake of the failed Copenhagen summit to keep the momentum in global climate talks going. “We definitely think we should …