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Recent Posts
- The insect apocalypse will kill billions more people than climate change
- The war on drugs. A book review of “Chasing the scream”
- Peak crude oil did not happen in 2018. But we are still running out of time
- Sheriffs have too much power
- Book review “They poisoned the world: Life & death in the age of Forever Chemicals”
- John Howe on one child per woman: still too high to stay under limits to growth curves
- Ted Trainer: The radical implications of a zero growth economy
- Part 5 Raven Rock. Hidey holes for government and military officials to carry on democracy after nuclear war destroys the planet
- Become a Bison rancher
- Part 4 Raven Rock. The government abandons plans to aid the public, only the government to survive
- Prisoners are treated worse than slaves in America
- Part 3 Raven Rock. The government’s plans for after a nuclear holocaust
- Part 2 Raven Rock. The U.S. government’s plans to save civilians from nuclear war
- Legal & Illegal Immigration numbers must drop to carrying capacity
- Part 1 Intro. Raven rock: the story of the U.S. governments secret plans to save itself after a nuclear war and let the rest of us die
Category Archives: Planetary Boundaries
Book review “They poisoned the world: Life & death in the age of Forever Chemicals”
Preface. This is a book review of Blake’s 2025 They Poisoned the World: Life & Death in the Age of Forever Chemicals. This is a history of how the existential threat of PFAs and other forever chemicals came to be. … Continue reading
Posted in Chemical Pollution, Extinction Books, Health, Planetary Boundaries, Pollution
Tagged 3M, cancer, DuPont, forever chemical, PFAS, planetary boundary, TFA, Trump
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Escape to Mars after we’ve trashed the Earth?
Preface. The idea that we can go to Mars is touted by NASA, Elon Musk, and so many others that this dream seems just around the corner. If we destroy our planet with climate change, pollution, biodiversity loss, soil erosion, … Continue reading
Posted in Climate Change, Extinction, Far Out, Hopium, Human Nature, Planetary Boundaries, Where to Be or Not to Be
Tagged biosphere, colonize, Earth, fermi paradox, Mars, radiation, space, terraform
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Colonization of Mars & The Moon: a book review of “A City On Mars”
Preface. There are so many difficulties to overcome to colonize Mars. If the astronauts can even survive the bombardment of radiation on the way there. Where would the energy come from? There is no flowing water for hydropower. Wind and … Continue reading
Posted in Climate Change, Hopium, Human Nature, Planetary Boundaries, Where to Be or Not to Be
Tagged asteroids, astronauts, colonization, hopium, Mars, Moon, space
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Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
Preface. These are updates to Ward & Brownlee’s book “Rare Earth: Why Complex life is Uncommon in the Universe”. If we are one of the few planets with intelligent life, what a shame it would be if we destroyed ourselves … Continue reading
Posted in Evolution, Human Nature, Planetary Boundaries, Wood
Tagged combustion, complex life, evolution, fermi paradox, intelligent life, photosynthesis, rare earth, Theia, venus, water
1 Comment
The 10th planetary boundary: Salt
Preface. In 2009, Johan Rockström proposed that there were nine planetary boundaries we must not cross. In 2023, Richardson et al found that 6 of the 9 boundaries had been transgressed: Climate change CO2 and radiative forcing, Biosphere integrity, land … Continue reading
Posted in Biodiversity Loss, Planetary Boundaries, Pollution, Soil
Tagged biodiversity, existential threat, salt
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A Mega Storm in California might cost $1 trillion & destroy a third of America’s food
Preface. Hurricane Katrina cost somewhere between $109 and $250 billion dollars (Amadero 2017). Estimates of hurricane Harvey range from $100 to $190 billion (Kollewe 2017, Lanktree 2017). The next California ArkStorm is likely to cost $900 billion, or even a … Continue reading
Posted in Floods, Planetary Boundaries
Tagged arkstorm, california, extreme weather, flood, superstorm
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The nine boundaries we must not cross or we may go extinct
Preface. This post has excerpts from the famous paper by Rockström et al (2009) as well as a more recent proposal by Running (2012) on an easier measure of how close we’re coming to rendering the planet uninhabitable. We have … Continue reading
Posted in Acidification, Biodiversity Loss, Chemical Pollution, Climate Change, Extinction, Planetary Boundaries, Pollution, Sea Level Rise, Water, World's Best Scientists
Tagged atmospheric aerosol loading, biogeochemical nitrogen cycle, biological diversity, boundaries, chemical pollution, climate change, Earth, extinction, global freshwater use, global warming, IPCC, land system change, ocean acidification, ozone hole, peak oil, phosphorus cycle, stratospheric ozone, sustainability
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The Good News About Peak Oil
As oil declines, the threat of a greenhouse earth & extinction from climate change decline Carbon sequestration, wind, solar, geo-engineering, and other remedies are trivial compared to the effect declining fossil fuels will have on reducing greenhouse gas emissions. The … Continue reading
Posted in Peak Natural Gas, Peak Oil, Pesticides, Planetary Boundaries, What to do
Tagged climate change, fertilizer, natural gas, peak oil, pesticide, rationing
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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
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 climate change, deoxygenation, phytoplankton
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