There isn't one peer-reviewed scientific article in the past 20 years that's been published that contradicts that statement.
PAUL HAWKEN rithöfundur, umhverfissinni, sjálfstæđur atv.rekandi Enginn sérfræđingur hefur andmælt ūessari vísindagrein undanfarin 20 ár opinberlega.