For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know ...

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

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

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

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

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.

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.

See the news of the day through a green lens and learn how almost everything is connected to the environment and a more sustainable lifestyle.

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

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 ...

Take control of your health and the planet's with expert tips on seasonal eating, shopping, proper storage, cooking, and reducing food waste.