Of total fossil carbon used, probably less than 1-2% is recycled, whereas the remainder is transformed into wastes, including pollutants.
(total fossil carbon; used; ) (probably less than 1-2%; is recycled; ) (the remainder; is transformed; into wastes, including pollutants)
total fossil carbon probably less than 1-2% the remainder
used is recycled is transformed
into wastes, including pollutants