Minimizing the use of energy and reducing emissions and waste are issues of importance to which stakeholder

The answer is "environmental groups".

An environmental organization refers to an association which is leaving the preservation or ecological developments that looks to ensure, break down or screen the earth against abuse or debasement from human powers. In this sense the environment may allude to the biophysical condition, the common habitat or the constructed condition. The association might be a charity, a trust, a non-legislative association or an administration association. Environmental associations can be worldwide, national, provincial or nearby.