Blue air 211i air purifier side view

At a glance: Capacity: 635 ft² in 12.5 minutes; up to 1,524 ft² in 30 minutes Clean Air Delivery Rate…

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Vote with your dollars. Fight climate change.

LeafScore is a website devoted to helping consumers make greener purchasing decisions. We believe that quality always follows sustainability and that the best products are those that respect the health of the planet and the health of the workers who make them.

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Our Leaf Rating System

 If a product appears on this site, it is trustworthy and sustainably made with as little environmental impact as possible, however, some products are more pristine than others and budget plays a role as well. We have a 5-leaf rating system to determine the eco-friendliness of each product.

Our Process

Our research begins with these source materials:

Safety data from government agencies

Industry reports and documents

Third-party reports

Emailing brands

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Free eBook: Simple Steps to a Greener Home

Concerned about climate change? Learn actionable tips for making each room in your home greener.

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Our Experts

Leigh Matthews, BA Hons, H.Dip. NT

Leigh Matthews is a sustainability expert and long time vegan. Her work on solar policy has been published in Canada’s National Observer.

Lydia Noyes

Lydia Noyes is an organic farmer and climate journalist. She is a member of the USC Annenberg Center for Health Journalism.

Michele C. Hollow

Michele C. Hollow is a journalist that specializes in climate and health. She is a member of the Society of Environmental Journalists.

David Markowitz

David Markowitz is a sustainability expert and forest ecologist. He holds a Master’s Degree in Conservation Biology from the University of Michigan.
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