All lessonsLesson 1 of 13

Lesson 01 · Ideas

Oil or soil

Start with a model trained on your own faces

50 min · Lesson 1 of 13

Field sketch for lesson 01, Oil or soil

Goal

Train a small image model on the people in the room, watch it fail on the person it saw least, and connect that failure to the gaps in the world's biodiversity data.

Read

Most workshops about AI open with a slide that explains what AI is. We open with a laptop and a webcam.

In June 2026 we ran this exercise at Parque das Tribos, an urban Indigenous neighbourhood in Manaus, with about thirty people from Sateré-Mawé, Ticuna, Baré and non-Indigenous families. Many of them already used AI tools for school, so we skipped the speech about AI arriving and went straight to how it works. Each group trained an image classifier on their own selfies with Teachable Machine, a free tool that runs in the browser. People got the main idea within minutes. The model finds patterns in the examples you feed it, and that is all it does.

The interesting moment comes when the examples are uneven. Give the model a hundred pictures of one person and ten of another, and it will be confident about the first and confused by the second. Nothing in the code is against anyone. The model never got to know the second person. Add more pictures and the problem goes away.

The same thing happens at the scale of the planet. GBIF, the Global Biodiversity Information Facility, is the largest open database of where species have been seen. Scientists, governments and AI models all draw on it. When we checked in October 2026 it held about 3.96 billion records. About three in four came from North America and Europe, and the United States alone accounted for a third. Brazil, which holds most of the Amazon, accounted for just over 1 percent. The Democratic Republic of the Congo, home to most of the Congo Basin rainforest, accounted for 0.04 percent.

Where GBIF's records come from, October 2026

3.96 billion records

North America40.9%
Europe34.7%
Oceania6.6%
Asia4.9%
South America4.1%
Africa2.5%
No continent given6.2%

Three countries

United States33.4%
Brazil1.15%
DR Congo0.04%

GBIF occurrence records, checked 4 October 2026

A model trained on that map knows a lot about birds in Ohio and very little about the forest around Manaus. It is the webcam exercise again, with the whole world in front of the camera.

There are two ways people talk about fixing this. The first treats data like oil. You find it, extract it, ship it somewhere to be refined, and sell what comes out. In that picture the answer to the gap is to send more scientists and sensors to the tropics and bring the data home.

The second treats data like soil. Audrey Tang, Taiwan's former digital minister, described it in a statement to the Senate of Canada: soil asks "who tends the data, understands its seasons and meanings, can correct when it becomes harmful and decides what should be planted." In that picture the answer is to help the people who already live in those places collect data on their own terms, keep it close, and decide what leaves.

The two pictures lead to very different projects. In the first, communities are a source. In the second, they are in charge of the ground. This playbook works from the second picture. The lessons that follow show what that takes: rules agreed before anything is collected, the right to say no, tools that run locally, a council that decides, and fair pay for the work.

Try it

Exercise 1

Train a model on yourselves

Groups of 3 to 5 · 25 min · one laptop with a webcam per group

  1. 1Open Teachable Machine and start an image project. Tell the group what you are about to build: a program that learns to tell people apart from examples.
  2. 2Make one class per person. For the first person, hold the record button until you have about 100 pictures. Ask them to turn their head and pull faces so the pictures vary.
  3. 3For the second person, stop at about 10 pictures. Click Train Model.
  4. 4Take turns in front of the camera and watch the predictions. Ask why the model is sure about one person and unsure about the other. Let people answer in their own words before you say "unbalanced data".
  5. 5Record about 100 pictures of the second person, train again and test again.
  6. 6If there is time, try two things that look almost the same, like two pencils. Talk about when more data fixes a problem and when it hides a different one, such as a wrong label or a bad camera angle.
  7. 7Before you close the laptops, delete the project in front of everyone. Teachable Machine can run entirely on the laptop, so the pictures stay there unless someone saves the project online.

To discuss

  • If this model decided who could open a door, who would be locked out first?
  • Who should keep these pictures after today, and who should be able to delete them?
  • If the model ran on a company's server, how would the second person get it fixed?

Exercise 2

Read the world's nature map

Whole group · 15 min · a projector

  1. 1Open the GBIF occurrence map on the projector. Say only that each dot is a record of a species seen at that place.
  2. 2Ask the room to read it. Where are the dots dense? Where is the map almost empty?
  3. 3Open the GBIF country pages for Brazil and the United States, or for your own country. Write the record counts on the board with today's date.
  4. 4Ask who decides which forests get studied, funded and protected when the models trained on this data can only see the dense parts.
  5. 5Link it back to the laptops. The person the model barely knew and the forest missing from the map have the same fix: more examples, collected with the people who live there, and kept where they can look after them.

To discuss

  • Pick a place you know that looks empty on the map. Who lives there, and what do they already know about it?
  • What would it take for that knowledge to count as data, and who should decide?

Print for this lesson

Check yourself

Question 1 of 3

In the webcam exercise, the model kept getting the second person wrong. What went wrong?

Question 2 of 3

A company plans to close the tropical data gap by flying in survey teams and keeping the results on its own servers. Which picture of data is that?

Question 3 of 3

Which question belongs to the soil picture?

Sources

  1. 1.Audrey Tang, Supplementary Statement on Indigenous Data Sovereignty and AI, Senate of Canada
  2. 2.GainForest blog, What we learned by listening: deploying conservation AI in the Amazon (June 2026)
  3. 3.GBIF occurrence API, record counts by continent and country (checked 4 October 2026)
  4. 4.Teachable Machine