Kopi Luwak would, additionally, eliminate any remaining bacteria. Sumatra is the world's largest regional producer of kopi luwak. Sumatran civet coffee beans are mostly an early arabica variety cultivated in the Indonesian archipelago since the 17th century. The major Sumatran kopi luwak production area is in Lampung, Bengkulu and Aceh especially the Gayo region, Takengon. Tagalog kape alamid comes from civets fed on a mixture of coffee beans and is sold in the Batangas region along with gift shops near airports in the Philippines. Vietnam has two farms with 300 wild civets in Dak Lak, while in Mindanao island of the Philippines,
Electronic waste in the United States of which has been documented to cause significant health problems in the surrounding area. Open burnings are the most common means of 'disposing of' e-waste and occur primarily in rural areas with low incomes of developing countries. Communities use open burning for a variety of functions: For direct disposal, it takes the least amount of man-power and is the cheapest option. For precious metal extraction, it can be an effective method to extract certain valuable metals, such as gold. The combustion of burning e-waste results in ash that contains fine particulate matter; a measure of pollutants that has been linked