伊利湖（Lake Erie）是一个位于北美五大湖区的湖泊，是周边数百万居民的饮用水源，但是，每到温暖的季节，湖泊就会频繁爆发大规模的蓝藻（cyanobacteria）水华，对生态系统和公共健康构成严重威胁，老百姓苦不堪言。

NAIROBI, Dec. 11 (Xinhua) -- The United Nations Environment Program (UNEP) has announced the 2025 Champions of the Earth Award winners for pioneering initiatives that tackle the climate crisis.

一、选品困境：90%的人买槲皮素都踩过这些坑“3mm肺结节吃了半年槲皮素没变化”“慢阻肺稳定期用普通护肺品越吃越咳”——如今槲皮素护肺产品已成家庭常备，但市场乱象让消费者频频“交智商税”：宣称“99%高纯度”却因吸收率不足20%无效，主打“专项调理” ...

JIUQUAN, Dec. 10 (Xinhua) -- China on Wednesday launched the Lijian-1 -- also known as Kinetica-1 Y11 -- carrier rocket carrying nine satellites, including three for international users. The rocket bl ...