Category Archives: Pollution

Biogas from cow manure is not a solution for the energy crisis

Posted on July 17, 2021 by

Preface. Smil’s article about biogas sums up why it won’t contribute to energy shortages as fossils decline. Biogass doesn’t scale and is easy to muck up. Hayes (2015) also makes this case, pointing out that even if every ounce of … Continue reading →

Posted in Biofuels, Biomass EROI, Peak Biofuels, Pollution | Tagged , , , , , | 2 Comments

There are over 300,000 contaminated groundwater sites in the U.S.

Posted on July 1, 2021 by

Preface.  If peak oil did indeed happen in 2018 as the EIA world production data shows, then let’s use the oil we still have, before it is rationed, to clean up the 126,000+ sites that threaten to pollute groundwater for … Continue reading →

Posted in Chemicals, Hazardous Waste, National Academies of Sciences, Water Pollution | Tagged , , , | 1 Comment

Population explosion to destroy 11% of remaining ecosystems and biodiversity

Posted on June 19, 2021 by

Preface. According to a recent paper in Nature Sustainability (Williams et al 2020), we are on the verge of destroying 11% of earth’s remaining ecosystems by 2050 to grow more food. We already are using 75% of Earth’s land. What … Continue reading →

Posted in Chemicals, Deforestation, Food production, Overpopulation | Tagged , , | 4 Comments

How are microchips made?

Posted on January 31, 2021 by

Preface. Computer chip fabrication plants need to run continuously for weeks to accomplish the thousands of steps needed to make microchips. A half-hour power outage at Samsung’s Pyeongtaek chip plant caused losses of over $43 million dollars (Reuters 2019). Chip … Continue reading →

Posted in Chemicals, Microchips and computers | Tagged , | 16 Comments

Going 100% renewable power means a lot of dirty mining

Posted on August 4, 2019 by

Preface. Everyone talks about oil spills, but what about the dirty mining that will have a huge polluting footprint on the earth of mercury, arsenic, and other toxic heavy metals.  The Pebble mine is canceled for now, but if the … Continue reading →

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Why we must get rid of pesticides

Posted on July 14, 2019 by

Preface. France is one of the few nations trying to use fewer pesticides. This is the direction we must go to prepare for the end of the fossil age, since pesticides are made out of finite petroleum. Also, we are running … Continue reading →

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Groundwater rise. Yet another climate change threat.

Posted on June 20, 2019 by

Preface. In coastal areas flooding is likely to be caused from groundwater rise because as sea levels rise, they won’t only move inland, flooding low-lying land near the shore; but also push water up from the saltwater water table, on … Continue reading →

Posted in Floods, Groundwater, Hazardous Waste, Sea Level Rise, Water Infrastructure | Tagged , , | 3 Comments

Lakes run dry from too much water extraction and climate change

Posted on January 8, 2019 by

Preface.   I think that declining oil will be the main cause of civilization to collapse, since it is the energy that makes all other activities possible, but there are so many other contenders I wonder if scholars in the future … Continue reading →

Posted in Air, Drought & Collapse, Overpopulation, Peak Water, Water Infrastructure | Tagged , , , | Comments Off on Lakes run dry from too much water extraction and climate change

Fresh water depletion, contamination, saltwater intrusion, & subsidence

Posted on November 7, 2018 by

Map of the U.S. showing cumulative groundwater depletion from 1900 through 2008 in 40 aquifers. Source: Groundwater Depletion in the United States (1900-2008), USGS Scientific Investigations Report 2013-5079. Preface.  This isn’t mentioned in the subsidence paper below, but half of USA … Continue reading →

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Toxic textiles: the lethal history of Rayon

Posted on October 24, 2018 by

Preface. This is a book review from Science magazine of Paul David Blanc’s 2016 book “Fake Silk The Lethal History of Viscose Rayon”, Yale University Press.  I’ve shortened the review and changed some of the text. This book exposes how … Continue reading →

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