- Achieving 'Net Zero by 2050' requires a significant reduction in greenhouse gas emissions, primarily from the burning of fossil fuels. - The COP28 agreement explicitly linked the call to transition away from fossil fuels to the goal of achieving net zero by 2050. - Options B, C, and D (Methane cuts, adaptation, resilience) are important aspects of climate action but the fossil fuel resolution is the most direct and comprehensive measure towards the mitigation required for Net Zero.