As you've no doubt been reminded 500 times by now, today is the 40th anniversary of Earth Day, the event created to draw Americans' attention to environmental issues. Lately, it seems like it's become more of an occasion for companies to issue press releases touting relatively transparent attempts to swath themselves in green. But we should not let that tarnish a holiday that has actually help drive some real environmental progress over the last 40 years. This video from the Mother Nature Network offers a brief (and amusing) summary of how far we've come.
What are you doing to honor Earth Day? Will you still be doing it tomorrow?