Climate Change in Greater Sydney 12 indicators covering climate change for Greater Sydney. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 18.18 Degrees celsius 2025 up 7.6% 251st Air temperature, hot days, tropical nights and icing days - Cities 1.6 Degrees celsius 2025 up 401.1% 453rd Climate projections by scenario, 2030–2060 – Cities and FUAs 19.69 Degrees celsius 2060 up 0.6% 213th Climate projections by scenario, 2030–2060 – Cities and FUAs 2.05 Degrees celsius 2060 up 6.4% 325th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.02 Tonnes of CO2-equivalent 2024 unchanged 552nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.94 Tonnes of CO2-equivalent 2024 down 7.6% 59th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.78 Tonnes of CO2-equivalent 2024 up 11.8% 65th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.61 Tonnes of CO2-equivalent 2024 up 11.1% 63rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.35 Tonnes of CO2-equivalent 2024 down 2.8% 321st Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 2.55 Tonnes of CO2-equivalent 2024 up 0.4% 46th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 11.41 Tonnes of CO2-equivalent 2024 up 3.3% 64th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.63 Tonnes of CO2-equivalent 2024 up 1.2% 45th