Why has carbon increased by 30 percent in the last 150 years?

Carbon levels have increased by approximately 30 percent over the last 150 years primarily due to human activities, particularly the burning of fossil fuels such as coal, oil, and natural gas for energy and transportation. Deforestation and land-use changes have also contributed by reducing the number of trees that absorb carbon dioxide. Industrial processes and agricultural practices further release greenhouse gases, exacerbating the rise in atmospheric carbon levels. This increase is a key driver of climate change, leading to global warming and its associated impacts.