For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know they exist not because they can see an actual hole, b ...

We've all probably been guilty of this recycling no-no at least once — discarding a disposable coffee cup or food takeout container in our bin. While you may be thinking you're doing your part ...

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.

Explore the connection between the environment and the arts through books, music, films, visual art, and more.

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.

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

Advice, guidance, and troubleshooting tips for houseplants, windowsill gardens, hydroponics, smart planters, microgreens, and other methods of growing plants inside.

Not Seen at the Interior Design Show 2020: A Whole Lot of Sustainable, Green Design ...

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

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