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

Make your space more sustainable with the latest information on industrial design and product design.

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 ...

Read the latest on environmental policy, climate milestones, scientific discoveries, animal news, and sustainable trends.

Learn what business and industry are doing to take responsibility for their impact on the planet.

Fossil fuels are the product of millions of years of earth's natural processes. Learn how they are extracted, their effect on the planet, and how we can lessen our dependence on them.

From van and bus conversions to trailers and tiny homes, discover the best in small living and find out how to downsize your own living space.

5 Ways to Use Grapeseed Oil for Hair: Condition, Moisturize, and Fight Frizz 8 Ways to Use Peppermint Oil for Hair ...

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

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 ...

Michael Graham Richard is a writer and editor from Ottawa, Ontario, Canada. He worked at Treehugger from 2005 until 2016, writing mainly about technology and transportation. He was editor-in-chief ...

Learn how to clean up your beauty routine with safe, non-toxic makeup and skincare products that really work.