Opinion, by Alfonso Stefanini
RIO DE JANEIRO, BRAZIL - UN began its PaperSmart (Integrated Sustainable Papersmart Services), paperless program at Rio+20, where paper was replaced with digital media. One thing is for sure, information was hard to get at the summit and everyone at Rio Centro was a little lost.
In past conventions the UN used a system of "pigeonholes", or mailboxes, where people left a paper trail of information to the desired country or organization.
During my early teens I always . . .