The Marginal Abatement Cost (MAC) Curve highlights the most cost-effective means of reducing energy through technological interventions or modifications in management practices. The MAC curve is a vital decision-support input for planning capital expenditure on energy efficiency projects in a manner that safeguards the financial sustainability of the organization while achieving tangible environmental and socio-economic sustainability benefits for the planetary ecosystem. Below is a MAC Curve for Marari Beach, a CGH Earth resort. View the Ecolabelling Report for Marari Beach PDF 1 MB.