Below are samples of the various topics I have written on, as both a ghost writer for Media Cause or clients, and under my own name: 

Nonprofit Marketing: Do You Have 'Pinterest'ing Content?
How to Create Effective Landing Pages For Your Non-Profit (was also published on Salsa's blog as a 7 part series)
Nonprofit Marketing Forecast: Snoballs Everydays
Social Media for Nonprofits: It's tastier than you think
Why Facebook's IPO Should Mean Free Advertising for Nonprofits
Non-Profit Marketing: What is Your Mobile Strategy?

Climate Change Cannot Wait
Hey California - Don't Get Fooled
Hey California: Don't Get Fooled Again
Fact: California Can Lead the Economic Recovery
Valero - because Enron is SO ten years ago

What's Up With the Rainforest: Collapsing biodiversity is a 'wake-up call for humanity'
What's Up With the Rainforest: A Day in the Life of a 14-Year-Old CEO
What's up With the Rainforest: Need to Save Our Planet Has Never Been More Urgent