Nature Positive Cities Efforts to Advance the Transition San Francisco 2025

San Francisco is a city of 808,988 people housed on 121 square kilometres (km2) of land, located on the west coast of the United States. It has a surface area of 121.5 in 202 0 There is a population density of 6,689 per km2 in 2023Key statistics Gini coefficient (equality metric): Endemic species : San Francisco sits within the California Floristic province, a well-known biodiversity hotspot. Half of all agricultural produce used by US consumers originates from this hotspot. 3 The city is home to 17 rare and endangered plant species, and endangered animal species including the mission blue butterfly, the California red-legged frog and the western snowy plover. 4 Gross domestic product (GDP): Executive summary 0.532 $655 billion in 2022 5 Increasing data collection and management will be vital for harnessing all city capabilities and ensuring a nature-positive future. Overview The city is currently managing an affordable housing shortage amid a post COVID-19 pandemic economy, coupled with environmental challenges such as rising sea levels and inland flood risks, the impact of fires in the state and urban heat island effects. San Francisco has a range of ecosystems, such as coastal scrublands, sand dunes and oak woodlands, with the Pacific Ocean on one end and the San Francisco Bay on the other. 1 The city also has a significant freshwater environment, including lakes, creeks, wetlands and riparian ecosystems. km 2 Nature Positive: Cities’ Efforts to Advance the Transition 6