Alt-rockers Linkin Park [ tickets ] have their minds on global warming as they get ready to head out on their North American spring jaunt.

Through their own non-profit organization, Music For Relief, the bandmates are ramping up efforts to reduce their own carbon emissions and bring attention to environmental concerns as they travel from city to city. In addition to working with each venue to implement green initiatives such as recycling, utilizing renewable energy certificates and offering incentives for carpools and hybrid or electric vehicles, the guys are donating $1 from each ticket sold to Music For Relief for a tree-planting program.

The tour will also see Linkin Park [ tickets ] using bio-diesel fuel, locally grown organic foods and recyclable or reusable serving products.

The band's official fan club, LP Underground, is also getting involved, having voted to make a generous donation to Music for Relief and partner American Forests to fund the planting of 100,000 new trees, according to a press release.

The initiatives follow a year in which the members of Linkin Park--vocalist Chester Bennington, drummer Rob Bourdon, guitarist Brad Delson, DJ Joe Hahn, bassist Dave "Phoenix" Farrell and vocalist Mike Shinoda--donated a half million dollars toward reforestation.

The environmentally conscious band will also do its share of rockin' on the upcoming tour, which is set to launch Feb. 12 in Omaha. The month-long outing will visit US cities from coast to coast and cross over into Canada for shows in Quebec and Ontario. Prog-rockers Coheed and Cambria and post-hardcore outfit Chiodos will open. Dates are listed below.

Linkin Park is supporting is third album, "Minutes to Midnight," which debuted at the top of The Billboard 200 last May and has since reached double-platinum status. The set has spawned the No. 1 mainstream- and modern-rock hit "What I've Done," as well as Top 5 rock singles "Bleed It Out" and "Shadow of the Day."