The environment is a common topic in IELTS writing and speaking. Many students have some difficulty in developing opinions, ideas and arguments for these questions. Here are some ideas. At the end I have listed some part 1, 2 and 3 questions for speaking practice.
Global warming
- Gases such as carbon dioxide trap heat from the sun
- This causes global temperatures to rise
- This process is known as the greenhouse effect
- Human activity is a major factor in the rise