Which of the following reports are published by the United Nations Environment Programme:
1. Emission Gap Report
2. Global Environment Outlook
3. World Energy Outlook
4. Living Planet Report
Select the correct answer using the codes given below:
1
1, 2, and 3 only
2
1 and 2 only
3
3 and 4 only
4
1, 2, 3 and 4