11. Sea levels have been rising
Average global sea levels have increased by at least 8 inches since 1900.
12. Sea level rise is accelerating
Since 1993 alone, sea levels rose 3 inches, or nearly half of the total rise since the turn of the 20th century.
13. Future sea levels
Under the best-case scenario, scientists are now concluding that average sea levels are expected to rise by an additional 1 to 4 feet by the end of the century. A worst-case scenario could see levels rise by more than 8 feet.
14. Flooding in the US
Rising sea levels may have already increased flooding in the United States. Today, over 90 American coastal communities flood at least partially 26 times per year. Within the next two decades, over 170 cities will be affected by chronic flooding.
15. Miami underwater
In Miami-Dade County alone, almost $15 billion worth of property is at risk of flooding in the next 15 years.
16. Growing seasons have changed
Agricultural growing season in the United States, particularly the west, has lengthened in recent years.