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.

Warming of Land, the Northern Hemisphere, and the USA through 2017

We can now update warming through 2017. While the global warming numbers are important, we live on land.  We grow our crops on land.  The forests and plants that transform our generated CO2 back to Oxygen using photosynthesis are mainly … Continue reading

Posted in Climate Change, Climate Science, Coastal States, Hurricane Irma, US Climate Mayors | Leave a comment

Air Pollution Measurements in Los Angeles and Orange County

Air pollution measurements in Los Angeles and Orange County Last week, Orange County has daily, very visible smog. This has become quite common this last year. At one time last week, using the HazeToday app, I saw that our only … Continue reading

Posted in Air Quality, Autos, CAFE Standards, California Smog, Coal, Renewable Energy | Leave a comment

Trump’s Child Hostages: Almost Americans and Sick Children

Trump’s Child Hostages: Almost Americans and Sick Children Trump has made DACA and DREAMers into political hostages. He has done the same for needy children who need health care under the four month defunct CHIP program. Comparatively, this would qualify … Continue reading

Posted in Chain Immigration, Children, CHIP Childrens Health, Congress, Donald Trump, Dreamers, Freedoms, Immigration Ban, Travel Ban, Trump Administration, Trump's Immigrant Family | Leave a comment

Trump’s and America’s Health

Trump’s and America’s Health Yesterday we got Trump’s health report. Trump is our President and Commander in Chief. He sets his proposed budget including health, and appoints heads of departments for covering the health of the people of America. While … Continue reading

Posted in Affordable Care Act, AHCA, Children, CHIP Childrens Health, Congress, Donald Trump, Health Care, Trump's Mental Health, Trumpcare Deaths | Leave a comment

It’s Now or Never for Saving Solar Power and Fighting Smog

It’s Now or Never for Saving Solar Power and Fighting Smog In case you have noticed lately in Orange County, it is getting smoggier. That doesn’t come from dirty power plants, since they are solar, wind, nuclear, or burning clean … Continue reading

Posted in Autos, CAFE Standards, California Smog, Congress, Dana Rohrabacher CA 48th, Fossil Fuel Energy, Greenhouse Gas Emissions, Mayor's Climate Action Plan, Mimi Walters CA 45th | Leave a comment

Newport Beach Presentation on Sea Level Rise

Newport Beach Presentation on Sea Level Rise Newport Beach’s Speakout Newport group held an excellent presentation of the city’s response to sea level rise. The Newport Bay Balboa Island was built on dredged-up sand and confined by metal plates, about … Continue reading

Posted in Climate Change, Climate Science, Coastal Flooding, Dana Rohrabacher CA 48th, Sea Level Rise | Leave a comment

CAFE Fuel Economy Standards: Now and In the Future

CAFE Fuel Economy Standards:  Now and In the Future The current CAFE standards (Corporate Average Fuel Economy) and their increases are good through 2021.  For 2022 to 2025, they are under review by the Trump Administration, and their decision is … Continue reading

Posted in Autos, CAFE Standards, Fossil Fuel Energy, Greenhouse Gas Emissions, Oil, Trump Administration | Leave a comment

Say Goodbye to Clean Beaches and Sea Life with Unregulated Offshore Drilling

Say Goodbye to Clean Beaches and Sea Life with Unregulated Offshore Drilling Not only has Trump opened the entire shoreline to offshore drilling, but he has abolished the regulations to prevent catastrophic accidents. The cost of these rules is minuscule … Continue reading

Posted in Offshore Oil Drilling | Leave a comment