Marine pollution is a combination of chemicals and trash, most of which comes from land sources and is washed or blown into the ocean. This pollution results in damage to the environment, to the health of all organisms, and to economic structures worldwide.

An international organization is one that includes members from more than one nation. Some international organizations are very large, such as corporations.

Whether it was mechanical inventions or new ways of doing old things, innovations powered the Industrial Revolution.

Conservation is the act of protecting Earth’s natural resources for current and future generations.