Agricultural chemicals become especially harmful when combusted
Filters are not biodegradable, but break down into ever smaller pieces, endign up as microplastics
Fiesel Houtermans and Clair Patterson publish independent estimates inferring the age of the Earth through radiometric dating of meteorites
before modern pesticides, laborers had to pick worms off tobacco plants Source: Jonathan Carver, Travels through the interior parts of North America, in the years 1766, 1767, and 1768 (p.20) enslaved workers packed tobacco into hogsheads, as well as working in the fields Source: Slavery Images: A Visual Record of the African Slave Trade and Slave Life in the Early African Diaspora, Interior of the Seabrook Tobacco Warehouse at Richmond, Virginia the lowest leaves of the tobacco plant (primings) were stripped off and dried Source: Slavery Images: A Visual Record of the African Slave Trade and Slave Life in the Early African Diaspora, Tobacco Production, Richmond, Virginia, 1870s In New England, there was far less demand for a large pool of low-skill agricultural workers