Bill McDonough, co-founder of McDonough Braungart Design Chemistry, argued it’s time to stop carbon releases and greenhouse gas emissions, because “a material in the wrong place is a toxin.”

“It took us 13 years to get lead out of gasoline because of our children’s brains. When are we going to get the carbon out of the atmosphere?” McDonough said. “It’s a toxin… It’s obvious to anybody with half a whit.”

“This is a fundamental issue of human rights and of intelligence for the future,” he added.