<P> Apart from black leaves tea (with the long - standing Lipton Yellow Label brand), the company also markets a large range of other varieties, both in leaf tea as well as ready - to - drink format . These include green teas, black flavoured teas, herbal teas, Lipton Linea (a "slimming tea") in Europe and Lipton Milk Tea in various Asian markets . Apart from Lipton Ice Tea, none of their products are available for retail in the UK, as only caterers are supplied, because Unilever sells PG - Tips in the UK . </P> <P> In a number of markets, including Japan, Russia and Australia, the company is advertising the benefits of theanine, which has psychoactive properties . </P> <P> Lipton still owns plantations in East Africa (Kenya (Kericho) and Tanzania (Mufindi)) In May 2007, Unilever became the first company to commit to sourcing all its tea in a sustainable manner . Working with the Rainforest Alliance, an international environmental NGO, Lipton and its parent company, Unilever, announced all Lipton Yellow Label tea bags sold in Western Europe would be certified by 2010 and all Lipton tea bags sold globally by 2015 . Lipton's own tea estates were among the first to be certified . Product bearing the Rainforest Alliance seal appeared on Western European markets in 2008 and started appearing in North America in 2009 . </P> <P> On 6 May 2009, Lipton received a Corporate Green Globe Award for its work with the Rainforest Alliance . </P>

What kind of tea is in lipton tea bags