Carbon dioxide CO2 contributes to the greenhouse effect and global warming by trapping heat in the Earth's atmosphere. The greenhouse effect is a natural process that helps maintain the Earth's temperature, making it habitable for life. However, human activities, such as burning fossil fuels and deforestation, have increased the concentration of CO2 in the atmosphere, leading to an enhanced greenhouse effect and global warming.When the Earth receives energy from the Sun, it absorbs some of this energy and reflects the rest back into space. Greenhouse gases, including CO2, water vapor, methane, and nitrous oxide, absorb and re-emit some of the reflected energy as infrared radiation. This process traps heat in the atmosphere, warming the Earth's surface.As the concentration of CO2 in the atmosphere increases, more heat is trapped, leading to a rise in global temperatures. This results in various consequences, such as melting ice caps, rising sea levels, and changes in weather patterns.Predicting the impact of different concentrations of CO2 on global temperature is complex, as it involves various factors and feedback mechanisms. Climate models are used to simulate the Earth's climate system and estimate the effects of increasing CO2 levels on global temperature. These models take into account factors such as solar radiation, atmospheric composition, cloud cover, and ocean circulation.While there is uncertainty in the exact magnitude of the temperature increase due to different CO2 concentrations, there is a general consensus among scientists that higher CO2 levels will lead to a warmer climate. By reducing CO2 emissions and implementing strategies to remove CO2 from the atmosphere, we can mitigate the impacts of global warming and protect the Earth's climate for future generations.