Last years the degradable materials and products in general, become more popular as the need of the universal market for green products growing continuously. It's usual, every time that new products are available in the markets, to observed a misunderstanding of the different types of these materials (because of various reasons -ignorance, reckless, etc.). A typical example is the confusion of hydro-degradable polymers with the bio-degradable ones. That’s why, many times, some scientists mention the BIO-degradable polymers (starch-based - corn starch / potato / rice, etc.-) as hydro-degradable.
You may feel healthy.... but you're sitting in front of a big toxic timebomb when you compute. Your computer contains many of the most dangerous chemicals on earth, and they are building up at a location near you! Manufacturers have sealed the toxins inside, but the dumping of obsolete PCs over the years, and crushing them in landfills, will let dangerous substances seep out into surrounding land, air and water.