Category Archives: Mass Extinction

Not enough fossil fuels left to trigger another mass extinction

Preface. Since both conventional and unconventional oil peaked in 2018, we clearly won’t be burning fossils at exponentially increasing rates until 2400 as the IPCC expected. Quite the opposite, currently the decline rate of oil is 8% a year, which … Continue reading

Posted in But not from climate change: Peak Fossil Fuels, CO2 and Methane, Global Warming, Mass Extinction, Planetary Boundaries, Runaway Greenhouse | Tagged , , | 6 Comments

World’s Oceans are losing Oxygen rapidly

Preface. Yikes, add deoxygenization to your list of worries. Oxygen levels in the world’s oceans declined by roughly 2% from 1960 and 2010. The decline was largely due to climate change, though other human activities such as nutrient runoff from … Continue reading

Posted in Climate Change, Extinction, Mass Extinction, Planetary Boundaries | Tagged , , | 7 Comments

Phytoplankton have declined 40%: they provide food and oxygen for all creatures on Earth

This article from NewScientist discusses how phytoplankton are disappearing — and they provide half of the food animals both in the ocean and on land depend on, plus produce a great deal of the oxygen we breathe. Throw in overfishing, … Continue reading

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Mass Extinction in Oceans is happening NOW

ScienceDaily (Aug. 20, 2012) — Life in the world’s oceans faces far greater change and risk of large-scale extinctions than at any previous time in human history, a team of the world’s leading marine scientists has warned.  The researchers compared … Continue reading

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