The first Earth Day was celebrated in 1970, when being earth friendly meant wearing earth shoes and eating brown bread. Granted, Americans were focused on other things, like the Kent State shootings, Apollo 13, the invention of fiber optics and the Beatles' last album.
Forty years later, the Pope is promoting environmentalism as a pathway to peace. Words like "biodegradable," "ecosphere" and "ozone" have entered our common lexicon. Recycling has come to our curbs and eating locally grown food is trendier than Chinese-character tattoos.
The problem with living an eco-intelligent lifestyle, however, is there's so much to consider and remember. Thanks to green iPhone apps, all this information and much, much, much more is now available at your fingertips. Green apps are sprouting up faster than, well, sprouts.
In honor of Earth Day's big birthday, here are 50 eco-friendly apps, all found in the iTunes app store, for shopping, travel, transportation, eating out and much more.
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