Horse meat eaten without the knowledge of the consumer, due to accidental or fraudulent introduction of horse meat into human food. A 2003 Food Standards Agency (FSA) investigation revealed that certain sausages, salami and similar products such as chorizo and pastrami sometimes contain horse meat without it being listed, although listing is legally required. The 2013 horse meat scandal involved multiple products being recalled from shelves due to unlabelled horse meat in amounts up to 100% of the meat content. The issue came to light on 15 January 2013, when it was reported that horse DNA had been discovered in frozen beefburgers
Tesco Lotus runs programs for undergraduates which include in-store training. The company is also part of a major reforestation program, "Plant 9 Million Trees", which completed its 9 million trees target in 2013. In line with the rest of Tesco group, Tesco Lotus is pledged to reduce carbon emissions from its business operations and opened the first "Zero Carbon Store" in Asia at Bangpra, Chonburi in November 2011. In late 2007 and early 2008, Tesco Lotus sued three of its critics for libel. It lost the case against Jit Siratranont, former MP and now vice-general secretary of the Thai Chamber of Commerce,