Consider the following statements regarding the right to a clean environment:

1. The Supreme Court of India has held that every citizen has the right to live in an environment free of pollution under Article 21 of the Constitution.

2. The right to a clean environment was included in the Constitution of India through the 42nd Amendment Act, 1976.

3. The Supreme Court of India ruled that stubble burning does not violate citizens' right to live in a pollution-free environment.

Which of the statements given above is/are correct?