CO2 Not Chief Cause of Global Warming Says Canadian Researcher
OTTAWA (CP) - Carbon dioxide is being oversold as the chief cause of climate change, says a top Canadian scientist who has tracked global temperatures and greenhouse gases back 500 million years.
Other natural factors such as fluctuations in the sun's intensity are more likely the prime cause of serious global warming incidents during the Earth's history, says Jan Veizer, a world-renowned geologist selected by federal science officials to study carbon dioxide.
The potential implications of Veizer's research sent shockwaves through the climate research community even before it was officially published in Thursday's issue the British scientific journal Nature.
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