the minute increase of anthropogenic co2 in the atmosphere (0.008%) was not the cause of the warming—it was a continuation of natural cycles that occurred over the past 500 years."
the minute increase of anthropogenic co2 in the atmosphere (0.008%) was not the cause of the warming—it was a continuation of natural cycles that occurred over the past 500 years."
scientific consensus on climate change:150
human-caused increases in greenhouse gases are responsible for most of the observed global average surface warming of roughly 0.8 °c (1.5 °f) over the past 140 years.