Over 8 million tons of lead was produced world wide, and half of that was from recycled materials. At the rate of consumption of lead, it has been estimated by scientists that resources will be depleted within 42 years or sooner since the demand has increased annually. Lead recycling can reduce those numbers and retain our natural resources. Another foreseeable consequence of not recycling lead is that it can poison water sources or plants. Lead poisoning can be deadly and causes many types of hazardous health problems.
Some scientists believe that it was due to lead pipes in ancient Roman that brought the downfall of the Roman Empire. Lead poisoning can severely reduce the reproduction organs and it is believed that this is what lead to the decline in birthrates before the fall of Rome. Ancient Greece and China also documented types of lead poisoning. Despite its variety of uses, lead can lead to brain disorders and destroy the nervous system.