Step 1: Understanding the Sustainable Development Goals (SDGs).
The United Nations (UN) established 17 Sustainable Development Goals (SDGs) as part of its 2030 Agenda for Sustainable Development. These goals aim to address global challenges such as poverty, inequality, environmental sustainability, and peace.
Step 2: Analysis of the options.
(A) 18: Incorrect. There are only 17 SDGs, not 18.
(B) 17: Correct. The United Nations has set 17 SDGs to guide global development efforts.
(C) 15: Incorrect. While there are 15 targets under Goal 15 (Life on Land), the total number of SDGs is 17.
(D) 20: Incorrect. There are 17 SDGs, not 20.
Step 3: Conclusion.
The correct number of Sustainable Development Goals set by the United Nations is (B) 17.
Final Answer: 17.


