many lines of evidence, including simple accounting, demonstrate beyond a shadow of a doubt that the increase in atmospheric co2 is due to human fossil fuel burning.
many lines of evidence, including simple accounting, demonstrate beyond a shadow of a doubt that the increase in atmospheric co2 is due to human fossil fuel burning.
scientific consensus on climate change:511
the spatial and temporal fingerprint of warming can be traced to increasing greenhouse gas concentrations in the atmosphere, which are a direct result of burning fossil fuels, broad-scale deforestation and other human activity."