Ответ:
1 A lot of birds die every year.
2 It happens when oil tankers are shipwrecked , causing oil pollution.
3 It takes about 40 minutes to clean one bird and it doesn’t solve the problem.
4 The best way to solve the problem is to prevent shipwrecks of oil tankers and to make tankers smaller.
5 The purpose of the article is to make people aware of the problem and start calling for change.