Slavery in Russia in the Khanate of Khiva from the 17th to the 19th century. At the beginning of the 21st century Chechens and Ingush kept Russian captives as slaves or in slave-like conditions in the mountains of the northern Caucasus. Recent (2009–2012) reports have identified human trafficking and slavery of Uzbekistan and Kazakhstan nationals in contemporary Russian society. Slavery in Russia Slavery in Russia was officially abolished in 1723, when Peter the Great converted household slaves to serfs. In 2013, Global Slavery Index reported that unsatisfactory living conditions of migrant workers who for a number of reasons can not obtain work permits
Coal in Russia Coal in Russia Coal is one of the largest sources of energy in Russia, accounting for 14.4% of the country's electricity consumption. The prominence of coal power in Russia has been declining since 1990, although Russia has among the largest coal reserves in the world. Russia is the fifth largest consumer of coal in the world and is the sixth largest producer of coal. Russia has the second largest coal reserves in the world, equaling 19% of the world's total. The total coal reserves in Russia amount to 173 billion tons. This puts Russia behind the United States in total