It is ironic that cars were once responsible for cleaning up cities!
The Horse Manure Problem: ‘By the late 1800s, large urban centers were ‘drowning in horse manure.’ — ‘The private automobile was widely hailed as an environmental savior’ – Gee, the models were off! ‘In 1894, the Times of London estimated that by 1950 every street in city would be buried 9 feet deep in horse manure. One New York prognosticator of 1890s concluded that by 1930 horse droppings would rise to Manhattan’s 3rd-story windows…Wet weather turned the streets into swamps and rivers of muck, but dry weather brought little improvement; the manure turned to dust’
Flashback Jan. 2009: NYT: California Seeks Home Thermostat Control – Excerpt: The conceit in the 1960s show “The Outer Limits” was that outside forces had taken control of your television set. California, state regulators are likely to have the emergency power to control individual thermostats, sending temperatures up or down through a radio-controlled device.