The report authors noted large uncertainties in the data persist and the true growth figure may be anywhere between 1 and 3 %. (climatechangenews.com)
2 Due to the inherent uncertainties in these data, the estimates and projections presented in this publication are referred to as experimental. (abs.gov.au)
However, uncertainty in the data exposing a lack of scientific «proof» of safety can equally well be used as a lack of «proof» of harm. (newscientist.com)