# Childhood and nature | Montserrat Idalsoaga & Pía Kast | TEDxBuin

Source: https://www.youtube.com/watch?v=h9roKHxUL_A
Recap page: https://rapidrecap.app/video/h9roKHxUL_A
Generated: 2026-01-12T17:04:36.049+00:00

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## Quick Overview

Montserrat Idalsoaga and Pía Kast advocate for the crucial role of nature connection, drawing inspiration from biophilia theory, to support children's holistic development and counteract the negative effects of excessive screen time and disconnection from the natural world, emphasizing that play in nature fosters cognitive, emotional, and creative skills.

**Key Points:**
- The speakers, Pía Kast and Montserrat Idalsoaga, established an outdoor education space for children aged 1 to 4 years old in Maipo, Chile, called Masái.
- Their work is inspired by the biophilia hypothesis, which suggests humans possess an innate connection to nature that supports well-being and development.
- They cite studies showing that exposure to nature reduces cortisol, increases dopamine and serotonin, and positively impacts cognitive and emotional development in children.
- The speakers highlight the negative impact of excessive screen time and lack of nature exposure, which they noticed manifesting as increased anxiety and depression in children.
- They encourage adults to model this behavior by spending time outdoors, even briefly (like playing in puddles after rain) to reconnect with nature.
- The core philosophy is that nature itself acts as the 'third educator,' providing essential opportunities for play, exploration, and learning across domains like motor skills, creativity, and critical thinking.

![Screenshot at 00:39: Montserrat Idalsoaga contrasts a traditional classroom setting with the outdoor learning environment at Masái, illustrating their core philosophy of nature-based education for young children.](https://ss.rapidrecap.app/screens/h9roKHxUL_A/00-00-39.jpg)

**Context:** This TEDxBuin talk is presented by Montserrat Idalsoaga and Pía Kast, founders of Masái, an educational space in Maipo, Chile, focused on early childhood education (ages 1-4) rooted in nature immersion. The presentation contrasts the typical indoor, screen-dominated environment of modern childhood with their philosophy that direct interaction with nature is vital for healthy cognitive and emotional development, drawing heavily on the concept of biophilia.

## Detailed Analysis

Montserrat Idalsoaga and Pía Kast present their vision for early childhood education centered on connecting children with nature, inspired by the biophilia hypothesis, which posits an innate human affinity for the natural world. They recount their personal journey, which led them to create Masái, an outdoor education space in Maipo, Chile, for children aged 1 to 4 years. The speakers detail how the confinement caused by the pandemic exacerbated the issue of children's disconnection from nature, noting increased anxiety and depression. They argue that nature provides a crucial 'third educator' (alongside parents and teachers) that supports the development of curiosity, exploration, critical thinking, motor skills, and self-esteem through unstructured play. They cite research, including the work of psychologist Peter Gray, confirming that nature-based play reduces stress hormones like cortisol and increases positive neurotransmitters like dopamine and serotonin. Their call to action is for adults to actively prioritize and facilitate this connection, whether through structured activities or simply allowing children to play outdoors regardless of conditions like rain, thereby fostering a deep, innate connection to the environment.

### Introduction & Masái Concept

- Pía Kast and Montserrat Idalsoaga invite the audience to remember their childhood views from windows, tables, and chalkboards
- They introduce Masái, an outdoor education space in Maipo for children 1-4 years old
- They highlight the importance of connecting children with nature.

### The Need for Nature Connection

- Speakers discuss overcoming personal doubts and the challenge of creating an outdoor space in Chile
- They contrast traditional classroom settings with outdoor play featuring chickens, gardens, and ponds
- They cite Edward O. Wilson's biophilia theory, emphasizing our innate connection to nature from birth.

### Scientific & Observational Evidence

- They note that children spend hours in front of screens, disconnected from nature, which correlates with increased anxiety and depression
- Scientific studies show nature reduces cortisol and increases dopamine/serotonin, directly influencing well-being and learning.

### The Benefits of Nature Play

- They compare the structured environment of a classroom to the flexible, natural environment of Masái
- Play in nature fosters creativity, exploration, cognitive development, and collaboration, unlike concrete settings.

### Call to Action

- They urge the audience to take action, even small actions like playing in puddles after rain or going for a walk
- They conclude that nurturing this connection is essential for society and helps children develop autonomy and resilience.

![Screenshot at 00:05: Pía Kast and Montserrat Idalsoaga are introduced on stage at TEDxBuin.](https://ss.rapidrecap.app/screens/h9roKHxUL_A/00-00-05.jpg)
![Screenshot at 00:35: A slide displays a traditional, indoor classroom setting, contrasting with the outdoor education philosophy being discussed.](https://ss.rapidrecap.app/screens/h9roKHxUL_A/00-00-35.jpg)
![Screenshot at 00:40: A slide shows an outdoor area at Masái, featuring wooden tables and chairs set among trees, representing their learning environment.](https://ss.rapidrecap.app/screens/h9roKHxUL_A/00-00-40.jpg)
![Screenshot at 08:36: A close-up image of a honeycomb filled with bees is projected, illustrating the concept of natural, organized structures referenced in the talk.](https://ss.rapidrecap.app/screens/h9roKHxUL_A/00-08-36.jpg)
![Screenshot at 10:21: A triptych of images shows children engaging in outdoor play: mixing materials, pushing a log, and examining something through a magnifying glass.](https://ss.rapidrecap.app/screens/h9roKHxUL_A/00-10-21.jpg)
