Greenpeace's bold fundraising strategies echo its aggressive, cutting-edge approach to protecting Mother Nature's greatest gifts.

By Abny Santicola

Greenpeace USA then prompted the door-to-door canvass agency that it had been working with for four years to add sidewalk direct dialogue to its services. Last year, the organization decided to build its own in-house team, which currently operates on the streets of New York City, Los Angeles and San Francisco.