🇭🇰 China, Hong Kong's Greenhouse Gas Emissions

Key Messages

• Emissions: Hong Kong emitted around 40.3 megatonnes CO₂e in 2024, around 0.07% of the global total.
• Per person: Emissions were around 5.4 tonnes per person per year in 2024, rated high on a scale where any level above zero adds warming.
• Trend: Emissions fell by around 3.2% a year over the ten years to 2024, slower than the 4% yearly decline the world needs to achieve Net Zero in 2050 and limit warming to around 1.7 °C.
• What drives it: CO₂ made up around 83% of emissions, methane 12%, F-gases 4.2% and nitrous oxide 1.1%.
• Historic responsibility: Since 1851, Hong Kong's emissions have produced around 2,300 megatonnes CO₂e of warming impact, around 0.06% of the global total, averaging around 5.2 tonnes per person per year.
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