On the obverse of the coins in the circle framed by Nosovym rim, is the relief picture of the emblem of the Bank of Russia - double-headed eagle with the lowered wings, under it an inscription a semicircle "БАНК РОССИИ" as well as on the circumference there are inscriptions, separated by dots: the denomination of the coin - "ТРИ РУБЛЯ"and the year of coinage - "2013", between them bear the label of metal on the Periodic system of elements di Mendeleev, fineness, the trademark of the Moscow mint
and weight of precious metal in purity.
On the flip side of the coin is an allegorical depiction of the ways of development of civilization: at the top of the harmonious coexistence of nature and people - a man with a shovel, a tree and a house down in a mirror image of the consequences of anthropogenic impact - a man in a protective suit, pipe, and shelter at the top on the circumference there is the inscription "2013 ГОД ОХРАНЫ ОКРУЖАЮЩЕЙ СРЕДЫ В РОССИИ"
On the obverse and reverse sides of the coins along the circumference there is a raised rim.
Source: Bank Of Russia