这是好消息，但事实是，各国的决心还不足以扭转潮流 — — 而我们在气候变化问题上采取有效行动的机会窗口正在迅速关闭。
This is good news, but the fact remains that countries’ commitments do not yet add up to enough to turn the tide – and our window of opportunity to act effectively on climate change is rapidly closing.