Original sentence: Ecological sanitation, also known as ecosan or eco-san, is a new paradigm in sanitation that recognises human excreta and household wastewater not as waste but as resources that can and are recovered, treated (where necessary), and reused
Edited sentence: Ecological sanitation, also known as ecosan or eco-san, is a sanitation process that uses human excreta and household wastewater as resources to be recovered, treated (where necessary), and reused, instead of as waste