Materials, products and services - the Green Guide Online provides details of the life cycle environmental impacts of construction materials and components, and the Green Book is a free online database of products and services.
Spermicides are used globally for birth control, with or without condoms. As the only means of birth control, spermicides are rarely effective. However, in conjunction with condoms, spermicides are somewhat effective in birth control.
It is the first time that a study has found a direct effect of the many ubiquitous manâmade chemicals in the environment on a vital function of human sperm. The findings will raise further concerns about the hidden toxicity of chemicals deemed safe by toxicology tests.