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  • PlanetSustain Sustainability Quiz - 14 Nov 2026
  • Test Your Knowledge. Inspire Climate Action.
  • Invosystems invites school and higher education students worldwide to test their knowledge of Climate Change, Climate Action, Carbon Footprint, Community Outreach, and protecting Planet Earth for future generations
  • Participation is 100% FREE through the PlanetSustain Mobile App. Students can participate individually using their smartphones and receive a Sustainability Quiz Certificate.
  • Entitlements & Rewards 
  • Subject to at least 1,000 students completing the quiz, the Top 100 ranked students will receive complimentary (free) enrolment in the Student Climate Action Internship Programme (worth SGD 50 each).
  • To claim the internship send your Quiz certificate to support@planetsustain.org.
  • All other students will be eligible for a special promotional enrolment fee of SGD 10 (INR 750) from 1st - 7th Dec 2026.
  • Payment can be made via PayNow, Credit Card, or UPI through the PlanetSustain Mobile App Renew option on PIN login page.
  • How to Participate in the Quiz – Next Steps
    • For Internship Programme details, visit Internships page and watch the video titled Internship Programme Overview video.

    • Download and Set Up the PlanetSustain App – From 1 November 2026 (Not Before).

    Visit Climate App page and watch the instructional video:

    PlanetSustain Mobile App – Registration, Activation and Basic Setup Guide for All Users (1 Month Free Intro

  • How to Participate in the Quiz
    • This video provides step-by-step guidance on how to access, participate in, and complete the PlanetSustain International Sustainability Quiz using the PlanetSustain Mobile App.
    • Learn how to log in using your Membership ID, access the quiz, answer the questions, and submit your responses successfully.
    • Important: Check your quiz availability at least two days before the scheduled quiz date to avoid last-minute technical difficulties