Ensuring a carbon offset project is genuinely additional requires careful evaluation of the project's background, methodologies, and barriers it overcomes. Look for projects certified by recognized standards and issued on reputable registries, such as VCS or GS, as they follow established guidelines for assessing and demonstrating additionality. Consider the project's location and potential co-benefits, and seek expert guidance from a company like CarbonBetter to ensure the highest quality and effectiveness of the carbon offset projects you support.