Category Archives: Environmental Issues

The Ultimate Authoritarian Anti-Urbanism

Cairo is a dense megacity, without the infrastructure such cities require for high living standards. The city proper, according to Wikipedia, has 10 million people, living at a density approaching 20,000 per km^2, and the metro area has 20 million. … Continue reading

Posted in Environmental Issues, Politics and Society, Urban Design, Urban Transit, Urbanism | 24 Comments

California HSR Should Not Have Been Funded This Way

Last month, California made a budget deal for the formula that would be used to distribute its cap-and-trade revenues. The state’s cap-and-trade bill does not deed the money to the general budget but to a separate account, to be distributed … Continue reading

Posted in Environmental Issues, High-Speed Rail, Incompetence, Politics and Society, Transportation | 36 Comments

The Cost of Heavy Freight Trains

Over at Pennsylvania HSR, Samuel Walker reminds us that the dominance of coal for US freight traffic slows down passenger trains, and this has a social cost in addition to the direct costs of coal mining and burning. But another … Continue reading

Posted in Environmental Issues, Freight, High-Speed Rail, Politics and Society, Regional Rail, Transportation | 83 Comments

Electrification and Carbon Emissions

Railvolution reports FTA numbers that say the average CO2 emissions of the New York City Subway are 0.17 pounds per passenger-mile (48 grams per passenger-km). That’s the equivalent of 114.6 passenger-mpg of gas, if you prefer to think in those … Continue reading

Posted in Cars, Environmental Issues, Transportation, Urban Transit | 44 Comments

Carbon Costs May Be Far Higher Than Previously Thought

A pair of economists at Economics for Equity and the Environment (E3) have just released a study positing that the social cost of carbon is far higher than previous estimates, by up to an order of magnitude. The official estimate … Continue reading

Posted in Environmental Issues, Good/Interesting Studies, Studies | 18 Comments

Yes, Transit is Green

I’ve just found a post by Brad Templeton arguing that US mass transit is less green than high-efficiency cars, at least when compared per passenger-km. (He agrees that transit is overall better because it is more efficient when used more … Continue reading

Posted in Cars, Environmental Issues, Regional Rail, Transportation, Urban Transit | 19 Comments