Every organization has its own decision making process, so it would be best to ask several people for ideas. Determine which decision makers need to support your waste reduction program. Usually it's the CEO, owner or other senior managers. You may not have direct access to decision makers, but you may know someone who does. Ask these people how to best approach decision makers.
Some managers like to approve general concepts while others want more specific details.
Every manager has his or her own style. Set up a meeting and make a convincing presentation. Managers often have very little spare time. Make your presentation clear, concise, factual, and persuasive. Collect information and ideas to present to management to show the problem.