Lowering subway fares would save energy and make cities greener. Subway ridership has fallen sharply around the world due to COVID-19. For most of the 170+ subway systems worldwide it … Continue Reading Five Arguments for Making Subways Free
How do we foster innovation to solve COVID-19 and climate change? Ten days ago the Food and Drug Administration issued an emergency approval for remdesivir. It’s too soon to know … Continue Reading Remdesivir, Low-Carbon Energy, and the Origins of Innovation
Backers see job creation, but I see high costs for ratepayers. “The project workforce has reached an all-time high with approximately 9,000 workers now on site. With more than 800 … Continue Reading The High Cost of Nuclear Jobs
High retail electricity prices, not economic value, are driving U.S. investments in rooftop solar. If you were starting from scratch and could install the United States’ 22,500 MW of rooftop … Continue Reading Putting Solar in All the Wrong Places
New paper ranks 219 countries and 1,692 cities based on air conditioning potential. Air conditioner sales are booming worldwide, especially in warm countries with growing economies. But how big is … Continue Reading Heat Exposure and Global Air Conditioning
In 1960 only 2% of U.S. homes were heated with electricity. Today it’s 38%. U.S. households burn vast amounts of fossil fuels on-site for home heating: 2.7 trillion cubic feet … Continue Reading Electrification? We Are Already On The Way
U.S. energy-efficiency requirements for air conditioners illustrate the inherent limitations of standards. This was a hot summer. July 2019 was the hottest month ever recorded globally. Even in temperate Oakland, … Continue Reading Limitations of Standards