Planet-Reefs under attack

How big is is the world’s largest reef system?

• 130,000 square miles off the coast of Indonesia

• 130,000 square miles off the coast of Australia

Why is the Great Barrier Reef dying?

• he temporary warming effect of a major El Niño event

• ongoing climate change

• both

What is the effect of ongoing climate change?

• heated waters of the reef

• reef bleaching

• both

Why is reef bleaching taking place?

• warm water, pollution, or algae overgrowth.

• pollution

• warm water

Why the Reef bleaching is a problem?

• it's a matter of aquatic beauty.

• Reefs act as natural barriers that protect coastal communities from storms and flooding.

What is a rapid death of a coral reef evidence of?

• climate change takes great leaps forward

• climate change is irreversibly affecting the world

• both

What can slow reef loss?

• keep global temperatures from rising more than 3.6°F by 2100

• reducing fishing and cleaning up pollution