The text discusses the dual challenges faced by militaries globally due to the climate crisis: ensuring security while adapting to environmental changes and reducing greenhouse gas emissions. It highlights the military's significant contribution to global emissions and the need for sustainable practices. Innovations such as hybrid-electric vehicles and heat management strategies are being implemented to reduce environmental impact and improve operational efficiency. Despite NATO's Climate Action Plan aiming for net-zero emissions by 2050, sustainability remains a secondary concern for many defense sectors.