43
Lesson 43 of 84 · Global Economy
Oceans and Marine Conservation
Oceans cover 71 percent of Earth and absorb much of its carbon dioxide. Overfishing, plastic pollution, and acidification threaten marine life. Marine protected areas and reduced plastic use help oceans recover.
Key Facts
1
The Universal Declaration of Human Rights was adopted in 1948.
2
Over 100 million people are displaced worldwide.
3
About 7,000 languages are spoken on Earth.
Check Your Understanding
Question 1
1 of 2What does fair trade help ensure?