Climate Change in New Haven 20 indicators covering climate change for New Haven. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 12.93 Degrees celsius 2025 up 22.7% 562nd Air temperature, hot days, tropical nights and icing days - Cities 2.52 Degrees celsius 2025 up 1,889.9% 303rd Climate projections by scenario, 2030–2060 – Cities and FUAs 2.31 Degrees celsius 2060 down 0.0% 157th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.73 Tonnes of CO2-equivalent 2024 unchanged 81st Greenhouse gas emissions - Cities and FUAs — GHG emissions total 7.44 Tonnes of CO2-equivalent 2024 up 33.3% 104th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 1.66 Tonnes of CO2-equivalent 2024 down 1.2% 80th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 3.32 Tonnes of CO2-equivalent 2024 up 147.8% 55th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.8 Tonnes of CO2-equivalent 2024 up 5.3% 253rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.85 Tonnes of CO2-equivalent 2024 up 4.9% 257th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.38 Tonnes of CO2-equivalent 2024 down 10.4% 86th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.01 Tonnes of CO2-equivalent 2024 unchanged 689th Climate projections by scenario, 2030–2060 – Cities and FUAs 13.78 Degrees celsius 2060 down 0.0% 638th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 1.78 % change on previous year 2024 up 22.3% 243rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.47 % change on previous year 2024 down 56.2% 262nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0 % change on previous year 2024 — 243rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 0 % change on previous year 2024 — 234th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.19 % change on previous year 2024 down 4.8% 312th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.27 % change on previous year 2024 down 5.1% 304th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0 % change on previous year 2024 — 7th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 3.11 % change on previous year 2024 up 105.0% 157th