Len SauersProcter & GambleDoes Earth Day still matter? Sure, it does -- absolutely. But the reason for the day should have evolved for all of us. Instead of simply planting a new seedling and moving on, we should be looking at Earth Day in a new light. Earth Day should no longer be a jump-start to action, activism, and awakening. We all need to be far beyond that. Instead, Earth Day should now be about: celebrating with our employees, communities, and leading companies what we've done through the course of the year and what we plan for the future; thanking …