Suncor Energy published its corporate sustainability report last week, trumpeting improvements in absolute water use (a 22% reduction over the past six years) and land reclamation (more than 1,000 hectares reclaimed). It also included some interesting claims about CO2 emissions.

The scene at the Telus Centre in Calgary on Monday was described as “carnival-like” as dominant oilsands producer Suncor announced a $19-billion all-stock merger with Petro-Canada in a deal that is sure to warm the hearts of nationalists. The CEOs of the merging companies, Rick George from Suncor and Ron Brenneman ...