Global warming is a crucial issue facing the world in the 21st century. This concept refers to the increase in the average temperature of the Earth’s atmosphere due to greenhouse gas emissions, which result from human activities such as burning fossil fuels, deforestation and industry. The challenges faced by global warming are profound, especially in the context of climate change, ecosystem impacts and public health. One of the main challenges of global warming is extreme climate change. Rising temperatures cause unusual weather phenomena, such as increased frequency and intensity of storms, floods, and droughts. In many regions, farmers are facing difficulties in maintaining crop yields due to changing rainfall patterns. This is not only a food security issue, but also adds to the economic burden on agricultural communities. The ecosystem’s response to global warming is also very significant. Many animal and plant species are threatened with extinction due to loss of natural habitat and climate change. Research shows that more than one million species are predicted to become extinct in the next few decades if greenhouse gas emissions are not curbed. Lost biodiversity disrupts ecosystems and reduces their capacity to provide essential services, such as carbon storage. The public health sector is also affected by global warming. Climate change can increase the risk of vector-borne diseases, such as malaria and dengue fever. Hot cities are becoming more uncomfortable and dangerous, especially for vulnerable groups such as children and the elderly. Depending on where they live, efforts to improve health infrastructure cannot offset the far-reaching impacts of climate change. One approach to overcoming this challenge is to increase global awareness about the importance of reducing carbon emissions. Initiatives such as the Paris Agreement aim to unite countries in an effort to limit global warming to below 2 degrees Celsius. Planting trees and developing renewable energy such as solar and wind power are also important steps that need to be taken. At the local level, environmental education is key. The community needs to be involved in sustainability programs that include waste management, reducing plastic use, and promoting environmentally friendly transportation. Individual engagement in concrete action can reduce the collective carbon footprint. Governments, the private sector and non-governmental organizations must work together to create fair and inclusive policies in the face of global warming. Investments in clean technology and environmentally friendly innovation will not only protect the planet, but also create new jobs and strengthen local economies. The challenge of global warming in the 21st century requires immediate and collaborative action. Through integrated measures, the world still has a chance to mitigate the devastating impacts of global warming and protect the future of future generations. It is hoped that all elements of society can participate in the solution to this pressing issue.