German boat wreck

Snorkeling on Palm Beach, Aruba

By Guest Blogger Paul Parulis One of my most anticipated activities when I visit a tropical island is snorkeling. This is something that almost every tourist can do and that does not either break the bank or require special physical…

Is Humanity Pushing Earth Past a Tipping Point?

Could human activity push Earth’s biological systems to a planet-wide tipping point, causing changes as radical as the Ice Age’s end — but with less pleasant results, and with billions of people along for a bumpy ride? It’s by no…
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