The United States has the highest amount of ecological protection zones in the world.

Here are the top 10 states with the most of them.

State Natural Areas Zones Total Natural Areas 1 California 13,845,924 2 Alaska 5,743,894 3 New York 3,838,836 4 Oregon 3,076,746 5 Arizona 2,941,073 6 Hawaii 2,543,959 7 Montana 2,422,719 8 South Dakota 2,326,932 9 Washington 2,269,739 10 Hawaii 2.934,851 Source: USGS Natural Areas data