In this section on Ocean pollution IELTS Writing, the instructor will guide you through solving a Pie Chart in Task 1. Referring to this sample, you will gain a clearer understanding of the question type as well as comparison structures in Task 1.Task (Ocean pollution)
The two pie charts depict the percentage of pollutants entering specific parts of the ocean in 1997 and 2007.
Sample (Sample)

Grammar highlight (Grammar highlight)
- Negligible (adj): không đáng kể
- Increase marginally (v) tăng nhẹ
- The 10-year timespan (n) khoảng thời gian 10 năm
- marine pollution discharges (n) chất thải ô nhiễm biển
- decreasing by nearly two-thirds: giảm 2 phần 3
- airborne pollutants: chất thải qua không khí
