Paper and cardboard provide a good carbon source for composting, and they are also used for sheet mulching and lasagna gardening, but is it safe to use paper and cardboard in the garden?
Bleached paper contains chlorine and dioxin, a known carcinogen. Inks contain heavy metals and BPA is used in some types of paper. Much of this paper is recycled and the recycled paper contains these various chemicals. Is it safe to compost paper and cardboard?
