Guardian: Barack Obama must act fast to avoid a trade war over Europe's efforts to curb airlines' carbon pollution, a key member of the European parliament has warned.
Peter Liese, a Christian Democrat in Germany who has led Europe's efforts to curb airline carbon emissions, urged Obama to live up to his sweeping promises to act on climate change, and help advance stalled negotiations for a global aviation deal.
Liese, speaking after meetings with administration officials in Washington this week, said...