The document analyzes alternatives for Nanyang Technological University (NTU) to achieve carbon neutrality, including increasing online learning, buying carbon offsets, installing solar panels, and using hydrogen fuel cell buses. It evaluates each alternative's advantages and disadvantages, as well as their impact on stakeholders like students, staff, partners, and the government. The executive summary recommends increasing online learning to significantly reduce purchased electricity usage, which comprises the largest source of NTU's carbon emissions. Long-term, NTU could also adopt cleaner energy sources, partnerships to develop green technologies, and hydrogen buses.