Recently I've been writting a lot about externalities, and how they contribute to a corporation's profitability. What I've neglected is the flip side: that just as corporations should pay the full costs of their activities, so to...

Since we started our campaign in February 2010, over 600,000 Greenpeace supporters like you have called on Facebook to unfriend coal and embrace renewables to power their massive data centres. Thank you. Just last week, I met with...

I think it's outrageous that Shell sponsors part of the environment section on the National Geographic website. What makes the situation even worse is that right beneath one of Shell's adverts on the page is National Geographic's...