In the following years, climate change slipped on and off the global agenda.

在接下来的几年里，气候变化问题在全球议程上忽上忽下。

For the past five years, climate advocates had positioned 2020 as critical in the fight against climate change.

过去五年，气候倡导者们对2020年的定位是应对气候变化的关键期。

A UN study warns that in coming years climate change also may affect what and how much we have to eat.

联合国的一项研究警告说，未来几年的气候变化也可能会影响我们的饮食以及食物的量。

The question is, can the Democrats keep that majority in a very difficult midterm election year climate, 35 Senate elections in all.

问题是，民主党能在一个非常艰难的中期选举年保持多数党——超出共和党35个席位的地位吗？

But among the shiny new planes and latest flying technology, there was another thing on visitors' minds this year: climate change.

但在闪亮的新飞机和最新的飞行技术中，今年游客还想到了另一件事：气候变化。

The letter has been among the writing and the Pope is said to be keen to set the tone for the debate of a UN summit on climate change later this year in Paris.

这份通谕还在撰写中，据悉教皇很热心于为今年晚些时候在巴黎举行的联合国气候变化峰会确定基调。