Nature World: New historical climate analysis by a McGill University researcher indicates that climate change in the industrial era is man-made with "greater than 99.9 percent" certainty.
Writing in the journal Climate Dynamics, McGill physicist Shaun Lovejoy reports his analysis of temperature data since the year 1500, concluding that global warming over the last century is not a result of natural long-term variations in temperature, but instead an anthropogenic effect.
"This study will be a blow to any...