Category Archives: Agriculture

Book review of Dirt: the erosion of civilization

Preface. On average civilizations collapsed after 800 to 2,000 years because they’d destroyed their topsoil, some of it caused by deforestation to grow more food, make metals, ceramics, glass and other objects requiring high heat, which fossils provide today. Today, … Continue reading

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Deep-sea trawling harms biodiversity and carbon storage

Preface. Overfishing has eliminated 90% of the world’s large predatory fishes and is devastating marine ecosystems. Bottom trawling is one of the most devastating ways our oceans are being overfished, degraded and biodiversity destroyed .  This industry tossed 437 million … Continue reading

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75% of Earth’s land is degraded threatening 3.2 billion people

  Preface. By 2050 95% of Earth’s land could be degraded and reducing or even preventing food production, forcing hundreds of millions to migrate. More than 75% of our planet has been altered by humans, a figure that will likely … Continue reading

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Book review: the politics of California’s central valley levees

Preface. This is a book review of Robert Kelly’s “Battling the Inland Sea”.  But it is much more than that, better than any book I know if explaining the human nature of “conservatism vs liberalism”.  It drives me nuts that … Continue reading

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U.S. Industrial farming destroys future food production for centuries

Preface. Below are excerpts from a devastating critique of current farming practices by the National research council who show the myriad ways that industrial farming is harming the land and future food production.

Posted in Air, Biodiversity, Groundwater, Limits To Growth, Peak Food, Pesticides, Planetary Boundaries, Soil, Water Pollution | Tagged , , , , , , | 1 Comment

We’re killing our food supply and technology can’t save us

Farrell, Paul B. Feb 11, 2015. Opinion: We’re killing our food supply and technology can’t save us. Big Ag can’t feed 10 billion and magical technologies won’t appear.  MarketWatch. We’re maxing-out on Peak Food. Billions go hungry. We’re poisoning our … Continue reading

Posted in Peak Fertilizer, Peak Food | Tagged , , , | 4 Comments

Pigeon towers to cope with peak phosphate and natural gas fertilizer?

[ Natural gas based fertilizers intensified crop production per acre up to 5-fold, yet natural gas, like phosphate, is finite.  We are going to be forced to reinvent our fossil-based agriculture, why not start with pigeon towers? Beats going to … Continue reading

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70 million people may need emergency food in 2017

Emergency food assistance needs unprecedented as Famine threatens four countries. January 25, 2017. Famine Early Warnings systems network (fews.net) The Famine Early Warning Systems Network is a leading provider of early warning and analysis on food insecurity. Created by USAID … Continue reading

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An invasive green monster that can double in 2 days and impossible to control threatens 20 states

    [ The 2011 House of Representatives hearing below is a discussion of how to control salvinia. We spend about $135 billion on invasive species a year – what will happen when the fossil energy to remove them is … Continue reading

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Mineral: Soil from Ugo Bardi’s “Extracted”

FIGURE 1. The state of soil health globally. Preface. Ugo Bardi’s book on minerals covers a wide-ranging territory, including soil, which is a mineral.  In this section of the book he shows how humans have damaged the soil so much … Continue reading

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