Author Archives: Dennis SILVERMAN

About Dennis SILVERMAN

I am a retired Professor of Physics and Astronomy at U C Irvine. For a decade I have been active in learning about energy and the environment, and in lecturing and attending classes at the Osher Lifelong Learning Institute (OLLI) at UC Irvine.

Oh No, Not Iowa and New Hampshire Again?

Oh No, Not Iowa and New Hampshire Again? News and candidates are already eyeing the Iowa caucuses and the New Hampshire primary for President in 2020.  Iowa is Feb. 3, and New Hampshire has to be by Feb. 11.  Iowa … Continue reading

Posted in 2020 Election, Donald Trump, Gerrymandering, Politics, Supreme Court, Voting Rights | Leave a comment

How Large and Influential is Coal Usage?

How Large and Influential is Coal Usage? Overall, US coal usage as a percent of electric power has declined from about 53% in 2000 to 33% in 2015.  We are using data related to electric car choices from a report … Continue reading

Posted in 2020 Election, Affairs of State, Climate Change, Clinton, Coal, Donald Trump, Electric Power, Energy Efficiency, EPA, Equivalent Electric Car Emissions, Fossil Fuel Energy, Global Climate Action Summit, Paris Climate Accord, Paris Climate Agreement, Politics, Regulations, Transportation | Leave a comment

Preparing for and Surviving an Asteroid Impact

Preparing for and Surviving an Asteroid Impact One motivation for settling on Mars is to form an Earth 2.0, so that Homo sapiens can survive a catastrophic asteroid or comet impact.  Some say it is also a way to survive … Continue reading

Posted in Uncategorized | Leave a comment

Looking at Air Pollution from its Shortening of Life Expectancy

Looking at Air Pollution from its Shortening of Life Expectancy Environmentalists at the University of Chicago have done a worldwide study of the effects of air pollution on lowering life expectancy in all nations, and in key regions within nations.  … Continue reading

Posted in Air Quality, California Smog, Clean Energy, Coal, Electric Power, Fossil Fuel Energy, Greenhouse Gas Emissions, Smog worldwide, World Smog | Leave a comment

Trump, Climate Change, and Smock Stacks

Trump, Climate Change, and Smock Stacks Trump tweeted twice this morning that there was no “Smocking Gun”. No wonder Trump does not realize that burning fossil fuel generates air and climate pollutants.  Every time he searches for “Smock Stack Pollution”, … Continue reading

Posted in Donald Trump, Humor | Leave a comment

Orange County Midterm Vote Count Complete

Orange County Midterm Vote Count Complete Voter turnout was remarkably high at 71.0%.  This was last surpassed in midterms in 1970, which achieved about 76%.  But it was almost matched in 1978.  Somehow, 2014 was an all-time low at 44.9%, … Continue reading

Posted in 2018 Midterm Election, Dana Rohrabacher CA 48th, Harley Rouda, Katie Porter, Mimi Walters CA 45th | Leave a comment

Introduction to the Planets Mercury, Venus, and the Earth by Dennis Silverman

Introduction to the Planets Mercury, Venus, and the Earth by Dennis Silverman For the OLLI course “Introduction to the Solar System”. SC215, on December 6, 2018. intro slides Mercury(1) Venus(1) Planet Earth

Posted in and Earth, Climate Change, Climate Education, Climate Science, Earthquakes, F. Sherwood Rowland and Mario Molina, Greenhouse Gas Emissions, Life in the Universe, Nuclear Weapons, Science and Engineering Education | Leave a comment

Climate Action Shorts

Climate Action Shorts Monday at 4 PM on YouTube, Facebook and Twitter will be the Climate Town Hall on the West Coast, PST.  This will be on C-SPAN2 at 7:45 PM – 9:15 PM PST.  Monday at 6 PM starts … Continue reading

Posted in Al Gore, Clean Energy, Climate Change, Climate Education, Climate Science, Fossil Fuel Energy, Global Climate Action Summit, Greenhouse Gas Emissions, Mayor's Climate Action Plan, Paris Climate Accord, Paris Climate Agreement, Renewable Energy, Sea Level Rise, Transportation, Trump on Climate Change, US Climate Mayors | Leave a comment

Playing GM Executive on the Model Cuts

Playing GM Executive on the Model Cuts We examine why GM cut off the Chevy Cruze and the Chevy Volt production.  The previous article shows how Trump’s destruction of clean energy policies led to this. In Quarter 3, 2018, GM … Continue reading

Posted in Autos, CAFE Standards, Clean Energy, Donald Trump, Electric Cars, Hybrid Cars, Oil | Leave a comment

Trump’s Policies Led to the GM Plant Closures

Trump’s Policies Led to the GM Plant Closures Two of the cars discontinued in the GM plant closures are the fuel economy cars the compact and high mileage Chevy Cruze, and the plug-in hybrid Chevy Volt.  GM said that they … Continue reading

Posted in 2018 Midterm Election, CAFE Standards, Clean Energy, Climate Change, Climate Education, Congress, Donald Trump, Electric Cars, Fossil Fuel Energy, Greenhouse Gas Emissions, Hybrid Cars, Middle East, Oil, Regulations, Smog worldwide, Transportation, Trump on Climate Change, Trump Steel Tariff, US Oil, US Steel Imports, World Oil Usage, World Steel Production | Leave a comment