As the world struggles to curb greenhouse gas emissions , carbon trading has emerged as one of the most debated tools in the fight against climate change . The concept is simple — companies that emit less carbon than their allotted limit can sell their unused emissions credits to others that exceed theirs. In theory, this creates a financial incentive for businesses to cut emissions and invest in cleaner technologies . Supporters argue that carbon trading offers a flexible, market-driven approach to reducing global emissions . By putting a price on carbon , it encourages innovation and rewards efficiency. Countries and companies can meet their climate goals at lower costs while still making meaningful progress toward sustainability . The European Union’s Emissions Trading System , for example, has successfully reduced emissions from power plants and industries since its launch. However, critics warn that carbon trading can also act as a temporary fix rather than a long-term solu...