Zero Waste Challenge + Pledge Cards

A pledge mechanism to help people commit to a zero waste behavior.

Zero Waste
Challenges
Available in Climate Action School

This interactive activity is designed for public events to engage participants in making a personal commitment to adopt zero-waste behaviors. By combining psychology, novelty, and social sharing, this activity encourages meaningful action through the principles of commitment theory, identity, and social diffusion. Participants choose a specific zero-waste behavior from a set of cards and take a fun photo to share, reinforcing their pledge and spreading awareness.

Steps Involved:

  1. Setup of the Event Booth
    • A booth is set up with a bowl containing 100 unique cards, each describing a zero-waste behavior (e.g., "Switch to reusable grocery bags" or "Compost your food scraps").
    • A 3D earth-shaped stand is positioned at the booth with a hole cut out for participants to put their face through, allowing for a novelty photo-op.
    • The stand is decorated to resemble the Earth and is visually inviting, designed to attract attention and engage curiosity.
  2. Introduction to the Activity
    • Event staff greets participants and explains the purpose of the activity: to make a personal pledge to adopt one specific zero-waste behavior.
    • Participants are encouraged to choose a card from the bowl and read their zero-waste action.
  3. Choosing a Zero-Waste Pledge
    • Participants reach into the bowl and randomly select one of the 100 cards.
    • The card details a simple zero-waste behavior (e.g., "Use a reusable water bottle" or "Opt for plastic-free packaging").
    • After selecting the card, the participant is asked to commit to trying that behavior.
  4. Taking a Pledge Photo
    • Once the participant has selected their zero-waste behavior, they are invited to step up to the 3D earth cut-out stand.
    • They place their face inside the cut-out and hold their card in front of them.
    • A selfie or photo is taken with the participant's face framed by the earth, symbolizing their personal connection to the planet and their commitment to reduce waste.
  5. Leveraging Commitment Theory
    • By physically selecting a card and publicly committing to a specific zero-waste behavior, participants are engaging in commitment theory, where making a public promise significantly increases the likelihood of follow-through.
    • The act of taking the photo reinforces their commitment, as they have a visual reminder of the pledge they made.
  6. Sharing on Social Media
    • Participants are encouraged to share their pledge photo on social media platforms, tagging event hashtags and encouraging others to make a pledge.
    • The novelty of the earth stand and the fun photo-op helps drive social diffusion, where the idea of zero waste spreads within the participant's social network.
    • Event staff may offer an incentive (e.g., a reusable bag or a small eco-friendly gift) for participants who share their pledge on social media.
  7. Follow-Up and Reminders
    • If feasible, participants can sign up to receive an email or text reminder of their pledge a few weeks after the event, reinforcing the behavior change.
    • The follow-up message may include additional tips on zero-waste living or links to zero-waste resources, helping participants stay on track with their commitment.

Available in Climate Action School

Psychology Techniques

Commitment Device

A mechanism that causes someone to make a verbal or written promise to another person to complete an action.

Social Signaling

A tool for people to publicly display their green performance that stimulates others to imitate the behavior.

Tracking Progress

A mechanism for tracking progress towards a goal that brings attention to, and rewards progress.

Time-Based Challenge

Applying a specific start and end date for a behavior increases people's propensity to commit to the action.