Original sentence: Singer is president and founder (in 1990) of the Science & Environmental Policy Project, which considers as unproven such environmental concerns as climate change, ("Climate science is not 'settled;'") ozone depletion, and secondhand smoke and is a regular contributor and adviser to the journal NewsMax
Edited sentence: Singer is president and founder (in 1990) of the Science & Environmental Policy Project, which considers as unproven such environmental concerns as climate change, ("Climate science is not 'settled;'") ozone depletion, and secondhand smoke and is a regular contributor and adviser to the conservative journal NewsMax