He says the substances are especially dangerous because they travel through the air and stay in the atmosphere, soil and water.

VOA: special.2009.06.23

So iron left to own devices in the atmosphere in the presence of a little bit of water, with the water form iron oxide.

铁在大气中，在存在,少量水的条件下，大气会开始与水结合产生氧化铁。

麻省理工公开课 - 热力学与动力学课程节选

Those changes include water shortages which could increase from rising temperatures in Earth's atmosphere.

VOA: special.2009.01.20

It will attempt to learn how much water is in Jupiter's atmosphere.

VOA: special.2011.03.29

"where the atmosphere holds more water moisture, where the poles are melting, where we seeing the oceans acidify, not for our grandchildren, but for us.

VOA: standard.2010.04.21