日焼け止めに含まれる成分が珊瑚礁に悪影響を与えるそうです。海水浴に行く際は、できる限り日焼け止めを使わない方が環境に良さそうですね。

以下のQ1~Q5はDMM英会話のデイリーニュースからの引用です。

Tests Show High Levels of Coral-Harming Chemical in Hawaii(記事リンク)

Exercise 4: Discussionの回答例です

Q1. What are your thoughts on the levels of oxybenzone in Kahaluu Bay?

A1. It seems that Kahaluu Bay is one of the most crowded bays in the world. So, the result of the survey are very convincing.

Q2. Have you ever seen a coral reef? If so, please share your experience. If not, would you like to?

A2. I have seen a coral reef in Okinawa located in the south of Japan. While staying on that island, I have experienced the first dive in my life. I found a turban shell on the bottom of the sea and I picked it up.

Q3. What animal species do you think climate change will affect most? Why?

A3. A polar bear will be affected by climate change extremely because It is said that all Arctic ice is melting due to global warming.

Q4. What areas of the world do you think climate change will have the biggest impact on? Why?

A4. Tuvalu, an island country in Polynesia, located in the Pacific Ocean is most susceptible to the sea surface elevation caused by global warming. Because Tuvalu is sinking into the sea now.

Q5. Have you taken any steps to reduce your impact on the environment? Please explain your answer.

A5. I try to use a train as much as possible instead of my own car. Because the transport efficiency of a train is better than that of a car.