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Ligo is a tool to track an event and its attendees' carbon footprint. Created for Boilermake X.

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LIGO

The Problem

Currently, there is no way for events at a large scale such as conventions, premieres, events, and even hackathons to track their carbon footprint. However, by measuring the number of plastics, waste, and sustainable options they have, we can understand their impact. Therefore, we have created Ligo, a tool to track an event and its attendees' carbon footprint.

Tech Stack

  • SvelteKit - A vite plugin, and framework that runs anywhere JS runs
  • MongoDB
  • TailwindCSS

How it works

A user is able to select an event they organized or attended, answer a few questions on a form about waste production, and contribute the crowdsourced score of how envrionmentally concious the event was.

We calculate this with knowing the carbon footprint of some of the items that are given out at spaces such as conventions, showcases, and hackathons. For each item, we researched their average footprint in terms of equivalent carbon dioxide used throughout its lifecycle, making necerssary assumptions along the way. Below are some examples of these calculations and the sources we used:

Item Carbon Cost Resource
A t-shirt C0.1 kg / unit From The Smithsonian
Cap 0.51kg/unit From Topiku
Sweater 11.03kg/unit From Ethical Consumer, assuming an everage shirt of 50%/50% cotton-polyester blend
Stickers and Paper 0.005kg/units A peer-reviewed paper, assuming mid-sized sticker sheet, two sheets of paper, plus a bit for glue
Plastic single-use cutlery 0.003kg/units From Woodly
Plates 0.003 kg/unit From Plastic Footprint
Single Use Containers 1.7kg/unit From Woodly

Additionally, we took into account the carbon footprint of excess food waste under different conditions:

Menu Item Carbon Cost Resource
Excess food 0.941 kg / serving From My Emissions Calculator
Excess food composted 0.341 kg / serving From the San Jose Gov't
Excess vegetarian food 0.244 kg / serving [From a peer reviewed paper](https://www.ethicalconsumer.org/fashion-clothing/carbon-cost-clothing

Please keep in mind that carbon emissions don't tell the whole story of the impact of an action - food waste worsens food insecurity, and unecessary small plastics are a danger to marine life. However, the purpose of this product is to summarize this impact to bring attention to all the daily choices that we take for granted.

About

Ligo is a tool to track an event and its attendees' carbon footprint. Created for Boilermake X.

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