Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and ...

Kerin is an expert sustainable farming writer who has worked with food-related nonprofits and taught a high school Farm to Form program. In addition to writing, she works on developing her non ...

Melissa Breyer is Treehugger’s former senior editorial director. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, Audubon Magazine, and ...

Melissa Breyer is Treehugger’s former senior editorial director. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, Audubon Magazine, and ...

Learn about conservation efforts, the species we've lost, and the success stories of species that have been spared from extinction. Are Orcas Endangered? Conservation Status and Threats Are ...

The Texas Mega-Dairy Fire is an Urgent Call to Address the Costly Clean-Up of Big Ag’s Cruelty ...

See the pros and cons of everything from recycling to zero-waste – and find tips to reduce the trash and plastic that goes in landfills and incinerators.

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The latest on mass transit around the world, from mobility and types of public transport to policy and road safety.

Explore key animal rights issues and find out what activists are doing to make a difference.

Lloyd Alter has been an architect, real estate developer, and prefab entrepreneur. He now teaches Sustainable Design at Ryerson School of Interior Design. Alter has been writing for Treehugger ...