Climate change is undisputed, but how do we deal with carbon dioxide, which is considered the scapegoat for global warming? This book offers a critical look at CO2 and its role in the current climate debate. It sheds light on the influence of agriculture and forestry, the importance of tree species selection in afforestation, the challenges of using biogas and hydrogen, and questions the role of fossil fuels. You will learn how forest fires and land use affect the climate and which methods can actually help reduce CO2. It also shows why CO2 should be seen not only as an environmental problem, but also as an essential component for life on Earth. A guide for anyone who wants to understand the complex relationship between CO2 and our planet.