A pair of finless porpoises swim in the clear green Yangtze River in Yichang, Central China's Hubei province.

In 2024, numbers of harbour porpoises fell 10% in the rich feeding waters off Ynys Enlli (Bardsey Island). Experts are at a loss to explain the sudden decrease. Like other marine mammals ...

Here’s how big the Yangtze is. A third of all the inhabitants of China (which means more than 400 million people) live in the area covered by the Yangtze’s river basin. The Yangtze basin provides ...