In this video, a representative at an ecology trade show presents some innovative building materials that are eco-friendly and will allow you to save some money on your energy bills. These materials are made out of gypsum cellulose and are used for insulation.

What’s in a name? Quite a lot, as it turns out! Thanks to changes in what land is covered by the Champagne Appellation d’Origine Contrôlée (or AOC, the French method of labeling foods and wines according to region), some farmers will soon be able to start cultivating official champagne. But not everyone is a winner—some farmers will lose this prestigious appellation.