Who are your eco-heroes?

Alternet is asking: "In celebration of Earth Day, AlterNet wants to hear from you. Who are your enviro-heroes? Who's working to make a difference from the ground up? Who's out in the field, in neglected communities that need it most?"

Sounds like they're building up their own list of heroes in response to those featured in Vanity Fair's green issue, which Alternet criticizes as focused on the rich, white male aspect of the enviro scene while ignoring the movement's more colorful, grassroots side.

I'm looking forward to seeing who makes it on their list - there's definitely not a shortage of nominees.