In the wake of Slovakia's 3rd annual Zero Waste Conference, which took place online in September, Jonathan speaks with Alexander Ač - a specialist in climate change at the Czech Academy of Science's Institute for Global Change Research, who spoke at the conference - about why C02 is now regarded by many climate scientists as a kind of waste product, even though it occurs naturally and abundantly in the Earth's environment.
		
		Alexander Ac
		
		
		
		
	
		
		
			
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					Jonathan McCormick, Photo: TASR