If the atmospheric carbon dioxide concentration becomes 300 ppm, what would happen to the temperature?

Carbon dioxide (CO2) is a greenhouse gas that plays a significant role in regulating the temperature of the Earth. When the atmospheric concentration of CO2 increases, more of the sun's energy is trapped in the Earth's atmosphere, leading to an increase in temperature. The exact relationship between CO2 concentration and temperature is complex and depends on a number of factors, but it is generally accepted that an increase in CO2 concentration will lead to an increase in temperature.

It is difficult to predict exactly what would happen to the temperature if the atmospheric CO2 concentration became 300 ppm (parts per million), as this would depend on a number of other variables, such as the concentrations of other greenhouse gases, the reflectivity of the Earth's surface, and the rate at which energy is being added to the Earth's system. However, it is likely that an increase in CO2 concentration to 300 ppm would lead to an increase in temperature.