Introduction

The world's largest coral reef is in danger now a u n assessment begins. Some scientists say that it is under threat from the effects of climate change. A u n delegation is going to assess the barrier efs health. It wants to assess whether its world heritage status should be changed to in danger. If you would like to test yourself on the vocabulary around this story, all you need to do is head to our web site, b b c learning english dot com to take a quiz.