Environment in Brown 13 indicators covering environment for Brown. IndicatorLatest Year10-yr change Rank Drought - Cities and FUAs — Land soil moisture anomaly -2.5 Percentage change 2025 down 733.3% 630th Greenhouse gas emissions - Cities and FUAs — GHG emissions from waste 0.21 Tonnes of CO2-equivalent 2024 unchanged 192nd Total and environment-related patents - FUAs — Patent applications 8.8 Patents 2022 down 35.3% 472nd Land surface temperature - Cities and FUAs — Daytime summer land 26.71 Degrees celsius 2024 down 7.3% 1077th Land surface temperature - Cities and FUAs — Daytime winter land 1.77 Degrees celsius 2024 up 134.0% 1236th Land surface temperature - Cities and FUAs — Daytime yearly land 19.06 Degrees celsius 2024 up 5.5% 976th Land surface temperature - Cities and FUAs — Nighttime summer land 15.02 Degrees celsius 2024 down 1.6% 867th Land surface temperature - Cities and FUAs — Nighttime winter land -7.82 Degrees celsius 2024 up 32.0% 1328th Land surface temperature - Cities and FUAs — Nighttime yearly land 3.61 Degrees celsius 2024 up 103.7% 1303rd Air pollution - Cities and FUAs — Population exposure to nitrogen 8.8 Microgrammes per cubic metre 2025 — 1110th Air pollution - Cities and FUAs — Population exposure to ozone 56.46 Microgrammes per cubic metre 2025 — 1039th Air pollution - Cities and FUAs — Population exposure to PM10 20.49 Microgrammes per cubic metre 2025 — 1202nd Air pollution - Cities and FUAs — Population exposure to PM2.5 10.08 Microgrammes per cubic metre 2025 — 1087th