Correct Answer: 2015

Solution : The correct answer is (D) 2015 .

The concept of "sustainable development goals" (SDGs) was adopted by the United Nations in the year 2015. The SDGs are a set of 17 global goals that aim to address various social, economic, and environmental challenges to achieve sustainable development worldwide. They build upon the Millennium Development Goals (MDGs) and provide a framework for global action until the year 2030 .

The SDGs cover a wide range of issues, including poverty eradication, quality education, gender equality, clean water and sanitation, affordable and clean energy, sustainable cities and communities, responsible consumption and production, climate action, and biodiversity conservation, among others. They are interconnected and aim to balance the three dimensions of sustainable development: economic development, social inclusion, and environmental sustainability.

The adoption of the SDGs in 2015 marked a significant milestone in global efforts to promote sustainable development. The goals serve as a roadmap for governments, organizations, and individuals to work together and take concrete actions to address pressing global challenges and create a more sustainable and equitable world.

In summary, the concept of sustainable development goals (SDGs) was adopted by the United Nations in 2015 to guide global efforts towards sustainable development until 2030.