Do Fossil Fuels Really Account for CO2 Added to the Atmosphere?
Since the start of the Industrial Revolution, the concentration of CO2 in Earth’s atmosphere has risen from about 280 to about 417 parts per million. Most scientists studying the issue think most of the increase has come from burning fossil fuels. Some people, however, question that. For instance, one person wrote to us: From a […]
Do Fossil Fuels Really Account for CO2 Added to the Atmosphere? Learn More »