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.

Environmental Rules Rolled Back by Trump

Environmental Rules Rolled Back by Trump The New York Times has documented 83 environmental rules rolled back or being rolled back by the Trump administration.  It has also noted 10 that have been reinstated by the courts.  We report their … Continue reading

Posted in 2020 Election, 2020 Primaries, Air Quality, CAFE Standards, California Smog, Climate Change, Climate Science, Coal, Donald Trump, Energy Efficiency, Greenhouse Gas Emissions, Ocean Acidification, Offshore Oil Drilling, Oil, Paris Climate Accord, Regulations, Science Funding, Trump Administration | Leave a comment

Slicing the Democratic Primary Pies with Three Leading Candidates

Slicing the Democratic Primary Pies with Three Leading Candidates. Previously, we showed how the Democratic district vote would be split between two candidates, because only candidates with more than 15% of the vote were to be counted, and only two … Continue reading

Posted in 2020 Primaries | Leave a comment

Americans and Californians at Risk From Air Pollution

Americans and Californians at Risk From Air Pollution The American Lung Association Report “State of the Air, 2019” on the Most Polluted US Cities and Counties evaluates three kinds of air pollution, and people at risk in those cities and … Continue reading

Posted in Air Quality, American Lung Association, California Smog | Leave a comment

Trump’s Decrease in Fuel Economy Standards

Trump’s Decrease in Fuel Economy Standards No, I did not read the 515 page plan for the new CAFE standards from 2021 to 2026, now called SAFE (The Safer Affordable Fuel-Efficient Rule for Model Years 2021-2026).  I just read the … Continue reading

Posted in 2020 Election, Air Quality, Automated Driving, CAFE Standards, Donald Trump, Electric Cars, EPA, Hybrid Cars, Paris Climate Accord, Transportation, Trump Administration | Leave a comment

United States Scores and Rankings in the 2018 Environmental Performance Index

United States Scores and Rankings in the 2018 Environmental Performance Index The Environmental Performance Index (EPI) is an assessment and ranking performed by the Yale Center for Environmental Law and Policy and the Center for International Earth Science Information Network … Continue reading

Posted in Air Quality, Clean Energy, Earth, Smog worldwide | Leave a comment

The Math of the California Democratic Primary of 2020

The Math of the California Democratic Primary of 2020 California has a progressive proportional Democratic primary on Super Tuesday, March 3, 2020.  However, mail ballots can be submitted starting Feb. 3, which is the same date as the first February … Continue reading

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The Math of the Democratic 2020 Primary

The Math of the Democratic 2020 Primary The 2020 Democratic primary is designed to elect a candidate, with only pledged delegates on the first ballot.  They also will include mail-in ballots on State caucuses.  There will also not be any … Continue reading

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Political Schisms in 2020?

Political Schisms in 2020? There may be three election schisms in 2020.  The two that we are directly staring into with 23 Democratic candidates are within the Democratic Party.  The easiest to envision is the guaranteed one between VP Joe … Continue reading

Posted in 2020 Election, BRexit, Donald Trump | Leave a comment

Star Wars’ Tariffs, Emperors, and Physics

Star Wars’ Tariffs There is a lot of excitement around the new Disneyland attraction Star Wars – Galaxy’s Edge.  Nobody would watch a lifelong movie series, starting in 1977, if everybody was super civilized and lived in peace.  And which … Continue reading

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Mysteries of the Universe After Einstein

Mysteries of the Universe After Einstein This is just a short summary of what we know we need to learn about the universe, with some speculations why we need to proceed with learning about them.  There are many YouTube lectures … Continue reading

Posted in Cosmology | Leave a comment