Related: modify

Change is a modification or transformation such as growing or eating or rotting or cutting, etc.

Exchange is trade.

Change.org >>What Do You Want to Change in the World?

WorldChanging.com >>worldchanging was founded on the idea that real solutions already exist for building the future we want. it's just a matter of grabbing hold and getting moving.

ToolsForChange.org >>Tools for Change is a multi-cultural organization that promotes healing, leadership development, and sustainable democracy. Our programs, based in collective reflection, open the imagination, inspire dialogue, deepen relationships and empower people's work.

WeChange.org >>is about promoting and enabling this change, one human being at a time: changing ourselves and changing the way we relate to the world for our own benefit and for the benefit of the whole humanity.