Is it just me, or does Earth Day have a way of making people feel fundamentally bad about themselves? It's like January 1st all over again, except this time it's not my holiday belly I'm scrutinizing — it's my plastic consumption, or my less-than-conscientious water usage. (I'm not one for long showers, but I am guilty of sometimes letting the faucet run while I brush my teeth.) Just like with New Year's resolutions, I set myself up for failure by raising the bar for improvem