Dr Michael Lau is founder of the Hong Kong Wetlands Conservation Association and adjunct professor at the School of Biological Sciences, the University of Hong Kong.
Hong Kong’s wetlands play a vital role in flood protection, but this function has been largely ignored. Respecting and tapping into the existing ecosystem can help protect the Northern Metropolis and other coastal areas in the region that are vulnerable to climate change.
Seven species of sea turtle inhabit the world's tropical and subtropical waters. Six of these are threatened, while the status of the Australian flatback turtle is listed as "data deficient".