Driving Directions: Getting There Green  Get Out This Weekend in
Support of Earth Day  The official day has passed, but there are
still many Earth Day events the rest of the month. Let's re-
energize the grassroots and take it back from marketers.
ExxonMobil celebrates Earth Day. It's true: the oil company that
has poured millions into trying to prove that global warming
isn't real joins hands in a circle around our planet on April
22.  Here's how the company paints itself green: ExxonMobil
operates 10 cogeneration sites, generating 2,400 megawatts, that
also produce steam and heat for industry. The company has
invested $600 million, it says, and its cogeneration is the
equivalent of taking a million cars off American roads. I don't
doubt the accuracy of this, but the other side of the scale is
weighty indeed.  earth day flag   With 20 million other
Americans, I attended the very first Earth Day celebration, in
New York in 1970. I remember how fresh it all seemed. We called
it "ecology" then. That same year,