Hajra is the chief executive officer of Purple Cliffs Mining Company. She has convinced the company's board of directors to implement changes in the mining method. According to the new methods suggested by Hajra, fewer resources will be exhausted. This will ensure that the ability of future generations to meet their needs is not harmed because of shortage of natural resources. By agreeing to Hajra's suggestion, Purple Cliffs has embraced the idea of _____. Group of answer choices sustainable development corporate philanthropy planned obsolescence cause-related marketing