by Leiba Chaya David Where does your food come from? Sometimes it seems like it comes from the refrigerator or the grocery store. Wherever you buy your food, and whatever types of food you eat: before it was processed, packaged, and transported to you, it began with the land. As we begin the spring season, here are […]
I am looking for a new car and, thinking about those gas prices, I’m tempted to buy a more fuel-efficient vehicle. Is a hybrid car really worth it? Today’s gas prices make everyone think about energy efficiency, and there are some real benefits – from an economic, environmental, and security perspective – to buying […]
by Noah Kaye As conventional fuel prices continue to explore new and uncomfortable outerbound limits, public interest in renewable energy has soared and is stronger today than at any point since the Carter years. By renewable, I mean a resource that continually replenishes itself like wind, solar, or biomass. Although that definition doesn’t consider […]
by Ariella Cohen Ariella Cohen was Canfei Nesharim’s summer intern in 2006. Cars are an extremely convenient and necessary commodity in today’s world. However, they are also a major cause of air pollution and global warming, releasing toxins which are detrimental to the environment and human health. So, it makes sense to limit […]
Type of Light Materials Used Processing by-products Burning by-products Wax Tallow (animal fats) Yes Yes Wax Petrochemicals (e.g., paraffin) Yes Yes-PAHs Wax 100% Beeswax Best Option Best Option Oil Whale Spermaceti Yes Yes Oil Petrochemicals (e.g., paraffin) Yes Yes-PAHs Oil Plant Extracts (olive or soy vegetable) Best Option Best Option There are several aspects […]
