Why can't I take Hawaiian sand home?

This is for environmental reasons, so the Hawaii Tourism Board has a notice saying "Don't take any sand in Hawaii".

Hawaii is the only archipelagic state in the United States, consisting of 65,438+032 islands in the central Pacific Ocean, and its capital is located in Honolulu, Lu Lu badminton, Oahu.

Hawaii is the only archipelagic state in the United States, consisting of 132 islands in the central Pacific Ocean, with a land area of 16700 square kilometers. Hawaii is an island climate with year-round monsoon regulation, and the annual temperature is about 26℃-3 1℃.

Located at the "crossroads" of the Pacific Ocean, Hawaii is an air and sea transportation hub between Asia, the United States and Oceania, with an important strategic position. Among them, Honolulu Lu Lu badminton is the main line and important port of the Pacific route; Oahu is a concentrated area of industrial and agricultural production, and Honu Lu Lu badminton, located on the southeast coast of the island, is the largest political, economic and cultural center in the state. University of Hawaii and so on.