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Apr 18, 2018, 8:00 am204 pts
Earth911
The first Earth Day was celebrated on April 22, 1970 — 48 years ago — and, goodness, how the world has changed since then. We’ve come a long way since the days of burning trash and pumping our gas guzzlers with leaded gasoline. In honor of those 48 years, here are 48 important changes and milestones since…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
