DAMASCUS, May 12 (Xinhua) -- Damascus is facing one of its most severe water crises in decades as the flow from the Syrian capital's main water source, the Ain al-Fijeh spring in the countryside west ...

漂浮在池塘中的翡翠莲花座，说的就是这株神奇的水生植物——大薸（俗称水白菜）。作为天然水质净化师，它发达的根系每小时能过滤5升水体。我曾在1平米阳台上用塑料箱成功培育出直径40cm的巨型植株，现将五年实战经验整理成册。从菜市场捡回濒危幼苗到打造自循环水 ...

The Chinese capital of Beijing achieved continued progress in air and water quality last year, according to a report released on Friday. Data from the report on Beijing's ecological environment shows ...