Today: 28.Jan.2021

Don Bogard, radio-geochemistry, nuclear geochemistry, planetary science: This article is another scientist's opinion on use of fossil fuels and what will be required for a transition when fossil fuels eventually run out or if governments decide to force abandonment of these energy resources that have created the modern world. He makes a very important conclusion: "Any significant change to the US power infrastructure MUST be a measured and long-term endeavor." There are several reasons for the long transition time: a) We don't have the technical ability to build nuclear plants that fast. b) We must establish used nuclear fuel reprocessing, mainly to save the unused 99% of nuclear energy from the ore. Don't put it back in the ground "forever." c) We must establish standard ways of storing the remaining radioactive waste. d) Nuclear power should only be used in countries with stable governments, strong economies, good education systems, well developed industries to perform some of the maintenance operations. e) We must develop additional nuclear power technologies besides the very large Light Water Reactors of the past. Don Bogard understands these needs. Too many outside the nuclear power profession wrongfully claim that the whole world can be owning and operating nuclear plants in fifty or one hundred years. In reality, it will be several centuries, maybe longer. We must have wise energy planning for the whole world NOW. That must include fossil fuels for generating electricity, not abandoning them for wind and solar.

Published in USA

Don Bogard, radio-geochemistry, nuclear geochemistry, planetary science: Carbon (C) exchange rates among C reservoirs tend to be at equilibrium unless and until a significant environmental change disturbs that. A significant increase in atmospheric (Atmos) CO2 concentration over the past century has been such a disturbance, and as a consequence a large fraction of that growth in Atmos CO2 has manifested as new plant growth and to increased ocean C levels. Increased temperature over the past century (which mostly has only modestly affected the ocean) and any tendency for warmer surface ocean to degas more CO2, has been over-powered by higher Atmos CO2 shifting the chemical equilibrium toward more dissolution of Atmos CO2 into the oceans. Higher decay rates of soil biotic material caused by the increased temperatures may be a source of part of the Atmos CO2 increase over the past century. However, it is most unlikely that organic decay has been other than a minor source, especially in the past few decades when Atmos CO2 was growing most rapidly.

Published in USA

Don Bogard, radio-geochemistry, nuclear geochemistry, planetary science: This is an excellent personal summary describing what is known and what is uncertain about the topic of catastrophic man-made global warming and large rise in sea levels causing flooding of cities around the world. This is written from a personal and scientific point of view without political or faith oriented influences. It is very important to understand the topic of man-made global warming, man-made climate change, man-made climate disruption and man-made sea level rise correctly as best as possible. It has tremendous consequences if the conclusions and courses of action are right or wrong.

Published in USA

Don Bogard, radio-geochemistry, nuclear geochemistry, planetary science: This article is another scientist's opinion on use of fossil fuels and what will be required for a transition when fossil fuels eventually run out or if governments decide to force abandonment of these energy resources that have created the modern world. He makes a very important conclusion: "Any significant change to the US power infrastructure MUST be a measured and long-term endeavor." There are several reasons for the long transition time: a) We don't have the technical ability to build nuclear plants that fast. b) We must establish used nuclear fuel reprocessing, mainly to save the unused 99% of nuclear energy from the ore. Don't put it back in the ground "forever." c) We must establish standard ways of storing the remaining radioactive waste. d) Nuclear power should only be used in countries with stable governments, strong economies, good education systems, well developed industries to perform some of the maintenance operations. e) We must develop additional nuclear power technologies besides the very large Light Water Reactors of the past. Don Bogard understands these needs. Too many outside the nuclear power profession wrongfully claim that the whole world can be owning and operating nuclear plants in fifty or one hundred years. In reality, it will be several centuries, maybe longer. We must have wise energy planning for the whole world NOW. That must include fossil fuels for generating electricity, not abandoning them for wind and solar.

Published in USA
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