DuPont announced the winners of the 21st DuPont Awards for Packaging Innovation at the industry's first online interactive exchange on sustainable packaging.

Winners included brands such as Procter & Gamble , Unilever and ConAgra .

DuPont Vice President and General Manager William F. Weber announced 10 winners and eight notable achievements for breakthroughs in improving sustainability of packaged goods.

Click here for the video of Weber announcing the winners.