Sentences with phrase «major uncertainties in the science»

«Independent summary shows new UN climate change report refutes alarmism and reveals major uncertainties in the science,» CNW.

Not exact matches

The next year, as the Intergovernmental Panel on Climate Change was publishing its second major assessment of climate science, Shell found itself in a delicate balancing act between accepting the scientific consensus and arguing that there was still too much uncertainty to dictate aggressive action.

The formation and properties of the aerosol cloud that sits above the monsoon are a major unknown in climate science, and their potential future changes represent one of the largest uncertainties in climate predictions.

The IPCC process is a major effort to provide a comprehensive overview of the state of climate science, though as is evident even from the Summary — which, due to the necessity for brevity, tends to downplay uncertainties — there are still many difficult obstacles and uncertainties to overcome in determining the influence of human activities on the climate.»

Johnston says he was surprised to discover that «on virtually every major issue in climate change science» IPCC reports «systematically conceal or minimize what appear to be fundamental scientific uncertainties.»

The difference between Professor Nordhaus's optimal carbon tax policy and a fifty - year delay policy is insignificant economically or climatologically in view of major uncertainties in (1) future economic growth (including reductions in carbon emissions intensity); (2) the physical science (e.g., the climate sensitivity); (3) future positive and negative environmental impacts (e.g., the economic «damage function»); (4) the evaluation of long - term economic costs and benefits (e.g., the discount rate); and (5) the international political process (e.g., the impact of less than full participation).

After having read the many comments here, I see that the discussion is «getting wrapped around the axle» on the definition of a «black swan», rather than staying on the main topic of how uncertainties and potential major outliers in our knowledge of climate science should affect our conclusions of what is likely to be the human impact on climate and what should be done about it.

At the time, two major uncertainties plagued climate science: how much of the CO2 in the air came from fossil fuels as opposed to deforestation?