Bottled water is a multibillion-dollar industry. Fifty billion litres consume(consume) globally every year. But when bottled water first brought(first bring) onto the market, nobody want(want) to buy it. However, that changed in the late 1980s when water sold (sell) in PET bottles. PET (polyethylene terephthalate) is a kind of strong, light and safe plastic. It made (make) from petroleum and it…………… (now use) for the packaging of many different products, from soap to ready meals. Around this time, we ……………..(also tell) by the world health organization that we………….. (need) to drink about 2 litres of water a day. This was great news for the bottled water industry and, between 1990 and 2000, the sales of bottled water doubled.