Global inflation has a significant impact on a sustainable economy, affecting various sectors that rely on sustainability principles. When the prices of goods and services increase, consumers’ purchasing power is also depressed. In a sustainable economy, where environmental, social and economic balance is a priority, increasing costs can change purchasing behavior. First, inflation can increase production costs. The renewable energy sector, which is generally more expensive than fossil energy sources, may struggle. For example, rising prices of raw materials such as metals and silicon, which are used in making solar panels and wind turbines, affect investment in green technologies. This reduces expected progress towards a clean energy transition. Second, inflation impacts investment in sustainable infrastructure. Many sustainable economy projects require large amounts of initial funding. If project costs increase due to inflation, then many investors may delay or cancel their commitments. This limited investment could result in stagnation in the development of critical infrastructure, such as environmentally friendly transportation and efficient waste management systems. Third, inflation can increase social inequality. Low-income people are most vulnerable to fluctuations in prices of basic necessities. As food and housing costs soar, these groups are often forced to sacrifice quality of life and access to sustainable services, such as environmental education and health care. This has the potential to create a cycle of poverty that is difficult to break. Fourth, inflation also encourages changes in government policy. In an effort to tackle inflation, the government may adopt policies that are not in line with sustainability principles, such as overusing natural resources to increase income. This kind of policy goes against efforts to maintain ecosystem balance and reduce emissions. Furthermore, inflation affects consumer behavior. When prices increase, consumers tend to switch to cheaper products, which are often less environmentally friendly. Causing a decrease in demand for sustainable goods and local products. This phenomenon may hinder the market for sustainable products that cost more initially but are beneficial in the long run. An increase in inflation has the potential to slow down the adoption of green technology and innovation. Innovative companies often rely on venture capital to invest in sustainable solutions. However, in an inflationary climate, lower risk investors may choose to avoid such investments, thereby reducing the number of new solutions entering the market. In addition, inflation can affect international commitment to climate change. Countries with high debt burdens due to inflation may have difficulty meeting agreed emissions reduction targets. Commitment to international agreements such as the Paris Agreement could be threatened with disruption if the allocation of funds is prioritized to stabilize the domestic economy. In this context, global collaboration is key. Countries must unite to find strategies to overcome inflation and maintain sustainable economic commitments. Through international cooperation, it is hoped that effective solutions can be found to face the challenge of global inflation while still prioritizing sustainability for future generations.