Oil bites, Wal-Mart barks.

Business is feeling the pinch if Wal-Mart, always figuratively run on the smell of an oily rag, is now literally doing so.

Wal-Mart's chief executive is set to announce on Tuesday a set of sweeping, specific environmental goals to reduce energy use in its stores, double its trucks' fuel efficiency, minimize its use of packaging and pressure thousands of companies in its worldwide supply chain to follow its lead.

So speculates Carl Pope, Sierra Club member and Huffington Post blogger. Watch Wal-Mart yank the supply chain and watch it come to heel.

Global Warning Climate Change Environment Business Oil Price Carbon Sink Earth Wal-Mart Kyoto Energy