Melissa Breyer is Treehugger’s former senior editorial director. She is a sustainability expert and author whose work has been published by the New York Times and National Geographic, among others.

Melissa Breyer is Treehugger’s former senior editorial director. She is a sustainability expert and author whose work has been published by the New York Times and National Geographic, among others.

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David has 10 years of experience in gardening, 5 years working in a greenhouse, and has read widely in environmental history and the energy transition. David Kuchta is a historian, author ...

Find out how solar, wind, biomass, hydroelectric, and geothermal power are harnessed to produce renewable energy.

In addition to working for Treehugger, Elizabeth works as an academic editor in the earth sciences. She went to graduate school for physical geography with a focus on climate change and past ...

Treehugger Voices features a lively mix of first-person columns and op-eds from our writers and sustainability experts around the globe.

Emily reports on clean beauty for Treehugger. She enjoys writing about the latest fashion and beauty trends, and her work has appeared in Byrdie, Real Simple, The Knot, Red Carpet Fashion Awards ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Steve Nix researched, analyzed, and wrote about forest resources in the ...

Kia Treece is a writer, scientist, and sustainability coach who specializes in environmental policy, off-grid living, zero waste, and vegan lifestyle. Kiah has worked with local governments ...

Deepen your understanding of the natural world by learning about biology, chemistry, physics, and geology.

Learn how the climate crisis impacts our health, our weather, our food supply, and our coastal cities – and what we can do to help reverse it.