New criteria for consumer electronics makers assesses whether companies are lobbying for industrywide laws to prevent competitors from using environmentally damaging materials.
The organization said Apple was in sixth place this year, down from fourth last year, in its study on "greener electronics."
In the latest green report, Greenpeace indicated gaps between PC vendors in phasing out the use of toxic substances.
The new Aspire Timeline notebooks win approval from Greenpeace for being energy efficient and virtually free of toxic substances, making them more biodegradable.
Timed with the release of its updated electronics guide, environmental group protests at Dell for company's failure to meet deadline to remove toxins from its products.
Greenpeace gives Dell, HP, and Lenovo a penalty green rating point for backtracking on their commitment to eliminate toxic substances from their products.
HP's new Compaq 8000f Elite Ultra-slim desktop features energy efficient components and environmentally friendly materials.
Steve Jobs and environmental watchdog Greenpeace publicly battled over toxics in Apple products but under Jobs' leadership, Apple designed cleaner products and improved its environmental practices.
Due out this summer, Sprint introduces the Samsung Restore, an eco-friendly messaging phone.
All manufacturers tell you how much horsepower, cargo capacity, and safety features are included in their vehicles, but what about the levels of chemicals in the materials?