The Earth Prize 2026
Global Winner · Plas-Stick
Team recognition for Ariana Agarwal, Avyana Mehta, and Vivaan Chhawchharia.
Global Winner · Plas-Stick
Team recognition for Ariana Agarwal, Avyana Mehta, and Vivaan Chhawchharia.
Regional Winner · US$12,500 prize funding
The official regional announcement names Plas-Stick as Asia’s winner. The subsequent global release confirms that the team received the regional funding.
Cycle 03 cohort · Ariana Agarwal & Vivaan Chhawchharia
The World Around’s cohort profile describes Ariana’s work in finance, outreach, and communications, alongside research, testing, and product development for Plas-Stick.
Featured honourees · Ariana Agarwal & Avyana Mehta
“A smart filter” — a feature on the Plas-Stick team.
Award letter · Plas-Stick team
The letter offers US$12,500 toward further development.

Project evaluation & testimonial
Written feedback on Plas-Stick’s development and potential.

Top 2% · Plas-Stick research
Researcher — Plas-Stick: Efficacy, Cost & Use Study; presented at IIT Guwahati.
Selected for the Young Changemakers network
Hindustan Times coverage identifies Ariana as one of 15 teen changemakers selected that year for her Informal Economy Index work.

Young Changemaker · Informal Economy Index
Recognition of Ariana’s work with informal workers.
Informal Economy Index · project profile
Informal Economy Index · project profile in the IB’s Festival of Hope / Youth in Action collection.
Senior Winner · Sattva / Untabooed
The official results name Sattva, the team behind Untabooed at Jayshree Periwal International School, as the 2024 Senior Winner.
Entrepreneurship track · standout innovation
Untabooed · team 2F11636 · Entrepreneurship track. Team: Ariana Agarwal, Jiya Kothari, and Nandini Mathur.

Highest Mark in the World · IGCSE Economics
November 2024 examination series.

First Place · Fall 2025
Equity research, financial analysis, and investment presentation.

Citizen Scholar Book Award
University of Vermont · Citizen Scholar Book Award.
Listed in the personal portfolio brief; a separate award certificate was not supplied.
Top 100 · FormFit · application 30814
The official list names Ariana Agarwal, Jevesh Jain, and Mrityunjay Gupta.
2026 first-round results reference
Competition results linked in the portfolio brief. No prize level is stated here.
The brief gives code 168 without a category. This reference does not establish an award level or an individually attributable result.
IGCSE Economics · Outstanding Cambridge Learner Award · November 2024
My academic interests are Environmental Science and Public Policy, including how environmental research and public institutions can serve communities.
11 / 11 A*s at IGCSECambridge IGCSE · 11 subjects

A spotlight on my participation in the programme and recognition for Plas-Stick.
Explore the programme
Project evaluation and written feedback
Utkarsh Sharma, Overall Coordinator, confirms that Plas-Stick was reviewed at UDGAM and discusses its innovation, feasibility, magnetic recovery, and potential for decentralised treatment.
Entrepreneurship evaluation by E-Cell; this letter is distinct from a drinking-water safety certification.
Click to read Award letter and US$12,500 offer of support
The Supreme Master Ching Hai International Association’s letter, dated 4 July 2026, names Ariana Agarwal, Vivaan Chhawchharia, and Avyana Mehta, presents the invention award, and offers support toward further development.
The document records the offer; it does not confirm receipt of the funds.
Click to read Recommendation · Minister of State for Agriculture & Farmers Welfare
The recommendation identifies Ariana as GrainOS co-founder and describes storage monitoring, sell-or-hold recommendations, and a Haryana FPO pilot. It reports a 20% rise in farmer income, a 30% reduction in spoilage risk, and 95% market-price prediction accuracy. It also records letters of intent from 25 FPOs for approximately 300 proposed godowns and evaluation by TERI for potential deployment.
Figures and institutional interest are reported by the letter. The proposed expansion is a pipeline, rather than a count of completed installations.
Click to read Letter of interest / testimonial · 18 April 2026
The signatories describe pilot deployment of the GrainOS prototype, monitoring of storage conditions, timely spoilage-risk information, cooperation with local stakeholders, and interest in continued development.
Click to read Workshop completion letter · signed by Rima Basu
The 5 October 2025 letter confirms an Informal Economy Index financial-literacy workshop at the ACORN Foundation Centre, Mumbai, on 2 August 2025. It reports 300 participants and sessions on savings planning, bank-account activation, mobile banking, and group savings, developed in response to an earlier survey.
Click to read Research engagement and administrative support
Dr. Arun Garg’s letter confirms Ariana’s field-based research engagement on digital financial inclusion and debt vulnerability among women in the informal economy. It describes surveys, interviews, and coordination with Gram Panchayat institutions.
Click to read Internship completion certificate
The certificate describes field data collection, structured surveys, qualitative interviews, analysis of banking and welfare access, and research documentation for local governance.
The original is shown as supplied. Its issue date precedes the end of the internship period stated in the document.
Click to read Researcher · Sigma Xi IFoRE Top 2% · Presented at IIT Guwahati · 6 pages
Original manuscript: “From Cost-Effectiveness to Adoption: Evaluating Plas-Stick for Microplastic Removal in Indian Water-Treatment Systems.” Experimental methods, dosage and pH tests, reuse, real-water conditions, cost comparisons, and institutional barriers to adoption. The paper reports 87 ± 2% removal under its stated test conditions and includes five experiment photographs.
Click to read Technical description, process, and claims · 17 technical pages
The supplied specification names Ariana Agarwal, Avyana Mehta, and Vivaan Chhawchharia. It describes the tamarind-polysaccharide / magnetite composite, preparation, recovery, and reuse.
A technical specification; no patent grant is asserted. The cover containing home addresses is omitted from the viewing copy.
Click to read 160 numbered references and two newspaper clippings · 13 pages
News coverage, official announcements, educational references, and social features. The searchable web archive keeps the source numbering and separates these types of coverage.
Eight cities across six states · 19 pages
The photographic record covers Faridabad, Mumbai, Bhopal, Gwalior, Ludhiana, Jaipur, Pushkar, and Churu. All 18 embedded images, including the repeated image in the source, are displayed by city on the project page.
Click to read Book development, team roles, distribution, and school sessions · 2 pages
Ariana is credited as editor, Jiya as author, Nandini as illustrator, and Keya as doodler. The report records 100 recycled-paper copies printed, 25 distributed, and five government-school sessions with 150+ attendees. Its wider reported impact is 500+ people, with 1,700 work-hours over six months. All 11 embedded photographs are included on the project page.
Click to read What Financial Inclusion Does for Rural Women Borrowers · 12 pages
Ariana’s study of 188 adult women across six village clusters in Jhunjhunu separates account ownership, active digital use, and access to formal credit. It includes the questionnaire approach, measurement correction, analysis, and limitations, and acknowledges mentorship from Ekanto Ghosh.
Click to read