Ralph Keeling
How CO2 warms Earth through the greenhouse effect and why CO2 is not ‘saturated’ in Earth’s atmosphere
There is no doubt about it – climate science can be complex. But sometimes this complexity is mistaken for uncertainty.…
Incorrect
Carbon isotopes do not show that humans’ climate impacts are too small to notice, despite the Daily Sceptic’s inaccurate claim
Claim:
Human-caused carbon emissions’ effect on climate is ‘non-discernible’. Measurements of carbon isotope ratios in atmospheric CO2 indicate that it is the recent expansion of a more productive biosphere that has led to increased CO2 concentrations in the atmosphere.