GREEN
05/04/2009 05:12 am ET | Updated May 25, 2011

Top 5 Greenest Bands, According To Billboard (VIDEO)

Billboard Magazine is unveiling its top ten green artists on Monday, but HuffPost Green got a little teaser.

Greening tours has become fashionable, in part because of what these artists have done. Below, find the top five greenest artists and a little about what they do for the environment. Plus, music videos!

THE LIST:

1. JOHN LEGEND

--Performed at Green Inaugural Ball after tirelessly campaigning for Barack Obama
--Has a campaign aimed at improving agriculture and water in Tanzania

2. RADIOHEAD

--Thom Yorke went to Brussels to call on the European Union and governments to agree to annual cuts in carbon emissions
--Commissioned the research firm Best Foot Forward to provide an ecological footprint and carbon audit of its 2003 and 2006 North American tours
--Used what it believes to be the first LED lighting system for a tour, requiring a fraction of the power of traditional lighting

3. CAKE

--Converted its recording studio to run on solar power.
--All albums and merchandise are made with non-bleached recycled stock and non-toxic vegetable dyes, and the group has replaced CD jewel boxes with coated cardboard Re-Pak Digipaks.
--Hosts annual eclectic Unlimited Sunshine tour, which invites such organizations as Earthjustice, Union of Concerned Scientists, Greenpeace, Sierra Club, Arbor Day Society and HeadCount to set up educational booths to provide resource materials

4. PETE SEEGER

--Co-founded Hudson River Sloop Clearwater in 1966, which aims to clean up the Hudson River (it's a big job)
--For Seeger's 90th birthday May 3, the Clearwater Concert: Creating the Next Generation of Environmental Leaders will feature more than 40 artists--including Bruce Springsteen, Dave Matthews, Eddie Vedder, John Mellencamp and Emmylou Harris

5. LUDACRIS & TOMMY LEE

--Competed in various environmental challenges on "Battleground Earth," a 10-episode series that aired on Planet Green, to heighten environmental awareness
--While both practice recycling and have switched to compact fluorescent lighting, Ludacris has gone a step further: He drives a hybrid Tahoe and is installing solar paneling in his Atlanta home

Check out #6 through #10 next week at Billboard.com.