If you’ve been paying attention to what’s happening to the nonhuman life forms with which we share this planet, you’ve likely heard the term “the Sixth Extinction.” If not, look it up. After all, a superb environmental reporter, Elizabeth Kolbert, has already gotten a Pulitzer Prize for writing a book with that title.
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Continuing from Part 1: Monster #2 Greenhouse Gases (“GHG”) alter ecosystems.
The biggest impact of anthropogenic GHG hits the oceans. There is no doubt about the importance of the oceans as a great sink, 2/3rds of the planet. After all, the oceans have saved humanity’s butt ever since industrialization started emitting CO2 over 200 years ago.
Earth’s ecosystems support all life, though collapsed ecosystems would be like stepping outside of the international space station not wearing a space suit. Pop! Bam! Gone!
A recent academic study about signals of ecosystem collapse throughout history fits the space suit analogy. Terrifying truth is exposed: The all-important biosphere is sending out warning signals of impending crises… worldwide. It does not seem possible that ecosystems collapse and life dies off. That’s too hard to believe… but, what if it does collapse?