We must work closely with rich countries to improve the environment .

我们必须跟富裕国家密切合作来改善环境。

youdao

They work hard to improve the environment, partly to escape their own unhappy family lives.

他们努力改善环境，在一定程度上是为了逃离他们自己不快乐的家庭生活。

youdao

If we do not act to improve the environment, more living things will be killed by pollution.

如果我们不采取行动来改善环境，更多的生物将被污染杀害。

youdao

He had always been interested in environmental issues and worked hard to improve the environment in his state.

VOA: special.2010.04.21

They teach the need for farming to improve the environment and make good use of natural resources.

VOA: special.2009.04.14

The government has stabilised public finances and continues structural reforms, including privatisation, to improve the environment in which Polish firms operate.

ECONOMIST: The case against war

And more than 60 residents and five schools are involved in an Adopt a Street scheme which aims to improve the environment.

BBC: Volunteers speak up for Big Society

We want to improve the environment and facilities here, we want to develop a programme of extracurricular activities and we need to invest heavily in marketing the school to attract new pupils.

BBC: Kings Monkton School in Cardiff to have new owners