Responsible stewardship in the coming decades will require global energy policies that promote both sustainability and technological efficiency. productivity and economic prosperity in developing nations. the development of abundant and inexpensive fossil fuels such as shale gas. additional exploration of shale oil and natural gas resources.

From the choices, the correct answer is letter A) both sustainability and technological efficiency. It has to go both since it is important to consider the sustainability and efficiency of things.

A) both sustainability and technological efficiency.
B) productivity and economic prosperity in developing nations.
C) the development of abundant and inexpensive fossil fuels such as shale gas.
D) additional exploration of shale oil and natural gas resources.