Concept:
SDGs are a set of global goals adopted by the United Nations to address major social, economic, and environmental challenges faced by the world.
Explanation:
SDG stands for Sustainable Development Goals.
These goals were adopted by the United Nations in 2015.
There are 17 SDGs, aiming to be achieved by the year 2030.
They focus on key areas such as:
Poverty eradication,
Quality education,
Clean water and sanitation,
Climate action,
Sustainable cities and communities.
The term emphasizes development that meets present needs without compromising the ability of future generations to meet their own needs.
Thus, SDG correctly expands to Sustainable Development Goals.
Final Answer: \(\boxed{\text{Sustainable Development Goals}}\)