It's show time at Hong Kong Wetland Park in Tin Shui Wai, in Yuen Long. Every winter, more than 500species of water bird flock in their thousands to the park's mangroves and freshwater ponds.

The fossilised remains of arthropods and timber were recently discovered by Ministry of Environment officials in Koh Kong province. Laboratory analysis has suggested the site may be up to 65 million ...

Since the announcement of plans for a technology hub near the border last year, Hong Kong environmental groups have reported extensive damage to wetlands that were earmarked for conservation.