Meet the unsung heroes of conservation this Earth Day

https://i.cbc.ca/ais/ba8210cb-a54c-4f50-b697-6a91a4fcaefd,1776797710042/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C1920%2C1080%29%3BResize%3D%28620%29" title="Thomas Berger, left, Amrita Devi, middle, and Charles Young, right are three environmental heroes." width="620" />

Throughout history, human activity has often damaged the environment, pushing forests and wildlife closer to extinction.
But alongside these challenges are quieter, sometimes overlooked stories — people who have devoted their lives to protecting the natural world for those who come after us.