Battery cage chinchilla and foxes in fur farming, and most recently for the Asian palm civet for kopi luwak production of coffee. An early reference to battery cages appears in Milton Arndt's 1931 book, "Battery Brooding", where he reports that his cage flock was healthier and had higher egg production than his conventional flock. At this early date, battery cages already had the sloped floor that allowed eggs to roll to the front of the cage, where they were easily collected by the farmer and out of the hens' reach. Arndt also mentions the use of conveyor belts under the cages to
Global waste trade a movement to recognize all of the disastrous consequences of this global waste trade. Based on the Khian Sea waste disposal incident and similar events, the Basel Convention was written to resist what is known to developing countries as ‘toxic colonialism.’ It was open for signature in March 1989 and went into effect in May 1992. The U.S. has signed the treaty, but has yet to ratify it. Chemical waste is the excess and unusable waste from hazardous chemicals, mainly produced by large factories. It is extremely difficult and costly to dispose of. It poses many problems and health risks