 after seeing where her recycling went rebecca prince ruiz challenged her co-workers to cut out single-use plastics for one month in 2011. i think we've come a long way we still have so far to go last year prince ruiz estimates 89 million people worldwide took the challenge and though many may have only done it for a day or a week they kept over 500 million pounds of household single-use plastics out of landfills she recommends buying in bulk carrying around food containers and taking the challenge with friends