| 1 | Sometimes trees are cut for lumber profits. | |
| 2 | By some estimates, it generates billions of dollars each year. | |
| 3 | "There are disgraceful people who would try to take advantage of that great stress," he said. | |
| 4 | The union of concerned scientists estimates that roughly 70% of antibiotics produced in the United States are fed to animals for nontherapeutic purposes. | |
| 5 | Signed in 1982 by more than 150 countries, the Law of the Sea defines piracy as illegal acts committed on the high seas for private ends. |