Tags: Fundraiser, canvasser, non-profit, entry level, graduate, immediate start, PTO, start now, marketing, sales, fundraising, charity, fundraising, canvassing, climate action,environment, environmental, sutainability, advocacy, campaigning, NGO, Job Type: Full-time. Threshold Giving is proud to partner with Greenpeace, a global network of independent campaigning organizations that use peaceful protest and creative confrontation to expose environmental problems and promote solutions for a green, just, and joyful future.