I saw that before each snowstorm this winter they sprayed something on the roads to prevent freezing. What is it and how does it affect our water after it mixes with snow and runs off?

Answered by Flint Hall Hydrologist for DEQ Dept. of Environmental Quality Deicers are applied to road surfaces, sidewalks, and parking lots for winter-time safety. Deicers work by reducing the freezing-point of water thereby melting ice, or, when sprayed on the road as a liquid (brine) before a snow storm, preventing ice from forming at all.…

How does fermenting food work to preserve it?

Question answered by Miles Knowles MBA Sustainability from Bard College and studied resilience in food systems. The historical purpose of fermentation was preserving fresh food in a time before refrigeration, although the health benefits of lactic acid fermentation have sparked a new generation of home fermentation enthusiasts. Lactic acid fermentation, or lacto-fermentation, is an anaerobic…