Tuesday was Earth Day. Have a listen to the Counting Crows version of Big Yellow Taxi while perusing this week’s tweets on nonprofits, philanthropy, governance and social enterprises:

• Harvard Business Review: Let’s not call it Earth Day. It’s more like “Fundamental Underpinnings of Our Business’s Existence and Success Day.” http://s.hbr.org/1mAukhW
• Gene: 10 Issues to Address in Your Nonprofit’s Social Media Policy  … | sample from @svcouncilofNP http://bit.ly/1ms7kPs 
• Darin McKeever: Collaboration among fdtns a fraught topic; incentives not there. Boards want 2 know what “our” $ does – @darrenwalker
• Emily Chan: Merge? Affiliate? Acquire? Other? Know the options & use the right language. Terminology affects structure & expectations
• Nonprofit Quarterly: Members of Congress and major charities are protesting controversial Federal CFC regulations http://ow.ly/vZW4H
• Greg Colvin: Practitioners Point of View: #12 Adler Colvin’s Top 25 Comments IRS c4rules – signed by 21 expert tax-exempt attorneys [Ed. Including me!] Nonprofit Law Matters
• Gene: Supreme Court Upholds Michigan’s Affirmative Action Ban – NY TImes … 6-2 (dissenting Sotomayor & Ginsburg)
• Peter Drury: This will be REQUIRED reading when I teach now http://ow.ly/w2OaA BEST treatment of scaling solutions: via @SSIReview @bridgespangroup
• Gene: Corporate Social Responsibility: Should It Be A Law? Forbes
• Nina Ahmad: Honoring the amazing Peggy Saika of AAPIP – North Star Fund gala with Mayor Bill de Blasio & First lady Chirlaine [Ed. I have the great pleasure of being at the AAPIP annual meeting and meeting some extraordinary people in New York City.]