While most companies — public and private — are wrapped in their own battles to drive down their carbon footprint, it has been the overall governance piece of the puzzle that's been under the spotlight this week.

The Governance Group's influential ESG report for the Oslo stock exchange put some interesting players under heightened scrutiny. While across the Atlantic, an activist investor upped the heat on Angeliki Frangou and the new model Navios Maritime Partners.

Here's what I've been reading this week: