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Neha Jain

Fiddler crabs dig holes in the soil that mangroves grow in, providing the ecologically important plants with more oxygen. However, rising sea levels and temperatures are changing the way they act and behave.

Three friends concerned about the environment last year set up Hong Kong Community Composting, which collects food waste deposited by subscribers in special bins to be turned into compost and biogas.

Hong Kong-based Adriane Rysz and her family decided three months ago to cut as much plastic out of their lives as possible, an initiative that has transformed their shopping habits – and seen favourite items sacrificed.