Planting trees at schools could be the climate fix our kids desperately need

In heat-blasted parts of Los Angeles, a small nonprofit is transforming schoolyards into leafy sanctuaries, and the effects on kids' health and learning are no accident.

Victoria Namkung reports for The Guardian.


In short:

  • Washington Elementary in Pasadena, once a bare, overheated schoolyard, now boasts gardens, shade trees, and outdoor classrooms thanks to Amigos de los Rios, a nonprofit greening underserved schools.
  • Tree cover in LA is drastically uneven — primarily white, affluent neighborhoods get the shade, while low-income, predominantly Black and Latino communities bear the brunt of asphalt and extreme heat.
  • Trees lower urban temperatures, filter air, protect kids from UV rays, and improve both mental health and academic performance, making them a public health tool, not just landscaping.

Key quote:

“Green space doesn’t just support childhood development – it supercharges it.”

— Dan Lambe, CEO of the Arbor Day Foundation

Why this matters:

Extreme heat is a growing threat to kids’ health, fueling asthma, heatstroke, and poor school performance. Urban trees are a cheap, powerful defense, yet access is unequal. Trees cool the air, filter out particulates, muffle urban chaos, and turn outdoor space into something more livable — with dignity. For children, that can help make the difference between surviving a school day and thriving in one. And for communities long denied that dignity, it’s shade with a side of justice.

Read more: How youth can battle extreme heat in their communities

About the author(s):

EHN Curators
EHN Curators
Articles curated and summarized by the Environmental Health News' curation team. Some AI-based tools helped produce this text, with human oversight, fact checking and editing.

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