Environment in Hong Kong 202 indicators covering environment for Hong Kong. IndicatorLatest Year10-yr change Rank Environment-related technologies patents — Patent grants 85 Patents 2022 down 36.9% 20th Protected area coverage of marine key biodiversity areas 32.5% 2025 unchanged 120th Protected area coverage of mountain key biodiversity areas 57.0% 2025 unchanged 77th Share of terrestrial Key Biodiversity Areas that are protected 48.9% 2025 unchanged 110th Plastic waste per capita imports vs. exports 1.34 kilograms 2024 down 99.7% 30th Share of global plastic waste imports 0.2% 2024 down 99.0% 36th Drinking water usage in urban areas 0 people 2024 — 84th People using improved drinking water sources 0 people 2024 down 100.0% 193rd Drinking water services 0 people 2024 — 119th Share of freshwater Key Biodiversity Areas that are protected 16.6% 2025 unchanged 141st Plastic waste exports 6,535 tonnes 2024 down 99.8% 55th Land cover and land cover change — Grassland 13.78 Square kilometres 2022 up 3.1% 144th Share of urban and rural population using safely managed drinking water 100.0% 2024 up 0.4% 1st Using safely managed drinking water in urban vs. rural areas 100.0% 2024 up 0.4% 1st Land cover and land cover change — Gain of artificial surfaces 55.77 Square kilometres 2022 up 69.6% 138th Land cover and land cover change — Loss of cropland 60.19 Square kilometres 2022 up 45.9% 139th Forest certified for sustainable use 0 thousands of hectares 2024 — 85th Per capita plastic waste exports and imports by income group 1.34 kilograms 2024 down 99.7% 30th Share of plastic waste exports 0.2% 2024 down 99.1% 52nd Municipal waste recycled 1.97 million tonnes 2023 down 2.0% 24th Hazardous waste generated per capita 4.56 kilograms 2015 down 32.8% 66th Treatment of hazardous waste 17,352 tonnes 2023 up 35.9% 51st ← Previous Page 4 of 4