Global temperature changes, often resulting from increased concentrations of greenhouse gases in the atmosphere, have become an important issue affecting many aspects of life on the planet. With average global temperatures increasing by around 1°C since the pre-industrial era, the impact is being felt across multiple sectors, from the environment to the economy. The impact of these temperature changes is very visible in weather patterns. Some regions experience extreme weather with greater frequency, such as floods, droughts and tropical storms. This not only makes people’s daily lives difficult, but also damages infrastructure and disrupts food security. Plants that previously grew well in one area may not be able to survive in new, hotter and more uncertain conditions. The sustainability of the ecosystem is also threatened by global temperature changes. Many species cannot adapt quickly to changes in temperature, leading to a decline in biodiversity. Natural habitats such as temperature-sensitive coral reefs are bleaching due to ocean warming, which damages marine ecosystems and threatens life that depends on marine resources. The agricultural sector around the world is feeling the direct impact of changing temperatures. Rising temperatures can reduce crop yields, accelerate soil weathering, and increase pest attacks and plant diseases. Most farmers, especially in developing countries, do not have the resources to adapt to these changes, resulting in local economic instability. In a social context, global temperature changes can exacerbate inequities. Richer regions usually have the resources to adapt and build resilience, while poorer countries are often the main victims of the impacts. This has the potential to lead to conflict, forced migration and increasing numbers of climate refugees. The energy industry is also affected. Demand for renewable energy is increasing in response to the threat of global temperature change. Clean energy, such as solar and wind power, is considered a solution to reducing carbon emissions. Investments in these technologies not only contribute to reducing emissions, but also offer new economic opportunities. Governments around the world, including in international agreements such as the Kyoto Protocol and the Paris Agreement, have attempted to address this challenge. Research and innovation in green technology, energy efficiency and sustainable agricultural practices are becoming increasingly important to building a more sustainable future. Facing global temperature change and its impacts is a collective task. Awareness and action by individuals, communities and governments are very necessary to tackle this problem effectively. With the right approach, a transformation towards sustainability can be achieved, helping us and future generations to live in harmony with the environment.