Which Future Will We Choose?

At the UN Climate Conference in November, decisions by world leaders will set a path for Philadelphia’s ultimate sea level.

Independence Hall, Philadelphia, Pennsylvania, United States

USA__PA__Philadelphia__Independence_Hall__L13__4p0C.jpg
If we allow unchecked carbon pollution
(4°C global warming)
4°C warming
Image Landsat / Copernicus Data SIO, NOAA, US Navy, NGA, GEBCO
USA__PA__Philadelphia__Independence_Hall__L13__1p5C.jpg
If we sharply cut carbon pollution
(1.5°C global warming)
1.5°C warming
Image Landsat / Copernicus Data SIO, NOAA, US Navy, NGA, GEBCO
Present-day sea level1.1°C1.5°C2°C3°C4°C

These images show projected future sea levels at Independence Hall in Philadelphia, United States due to human-caused global warming under two different scenarios. Climate and energy choices in the coming few decades could set the destination, but the timing of rise is more difficult to project: these sea levels may take hundreds of years to be fully realized.