Before revision: Central Asia In Central Asia there are multiple problems when it comes to the environment including, "...the loss of biodiversity and the complexity of the network of protected natural areas; insufficient levels of municipal solid waste processing; energy efficiency problems, in particular, the deterioration of the energy production and supply system; the imbalance between hydropower, irrigated agriculture and the environment; and problems of the Aral Sea."
After revision: In Central Asia there are multiple problems when it comes to the environment including, "...the loss of biodiversity and the complexity of the network of protected natural areas; insufficient levels of municipal solid waste processing; energy efficiency problems, in particular, the deterioration of the energy production and supply system; the imbalance between hydropower, irrigated agriculture and the environment; and problems of the Aral Sea."