Carbon credits in the United States today play a significant role in efforts to mitigate climate change and transition to a low-carbon economy. While the U.S. does not have a national carbon trading system, various state-level initiatives and voluntary markets facilitate the buying and selling of carbon credits. States like California operate cap-and-trade programs, where companies must purchase allowances or carbon credits to offset their emissions. Additionally, voluntary carbon markets allow businesses and individuals to voluntarily purchase credits to compensate for their carbon footprint. These credits are often generated through projects that reduce or sequester greenhouse gas emissions, such as renewable energy projects, reforestation efforts, or methane capture initiatives. The demand for carbon credits continues to grow as more organizations commit to carbon neutrality and sustainability goals, driving investment in emission reduction projects and the development of innovative carbon offset mechanisms.