Worst-case climate change modelling shows that rising temperatures and changing weather patterns could heighten mining contamination risks for marine environments, with some regions exposed to compounding hazards.
A Chinese firm is deploying data servers to the sea for natural cooling. Experts say more information on their environmental impacts is needed before expansion.
Globally, mangrove cover has grown by 477 square kilometres (184 square miles) between 1985 and 2025, marking a turnaround from the losses that have predominated for years, but gains are uneven.