Why is sea level rising?

Global sea levels are rising as a result of human-caused global warming, with recent rates being unprecedented over the past 2,500-plus years. @nasajpl's sea level rise expert Ben Hamlington explains how our warming planet is causing sea levels to rise.

Image description: A data visualization of Earth's warming oceans. North and South American are visible with the Atlantic and Pacific Oceans visualized in shades of yellow, orange, and red, representing the warming temperature of Earth's oceans.