Some Oreo and Chips Ahoy packaging isn't recyclable and often ends up in the ocean where it harms marine life, according to a shareholder activist group pushing manufacturer Mondelez International to take action and phase out all nonrecyclable material.

Come May 18, at the company's annual meeting in suburban Lincolnshire, Mondelez shareholders will vote on a proposal introduced by As You Sow, a California-based nonprofit that challenges corporations on social and environmental issues. The group has brought similar proposals to Mondelez investors for the last three years, receiving about 28 percent support last year.

Learn more in The Chicago Tribune