Jointly owned with Mit­subishi Devel­op­ment Pty Ltd, BHP Bil­li­ton Mit­subishi Alliance (BMA) is Australia’s largest coal miner and exporter, and the world’s largest sup­plier to the sea borne cok­ing coal mar­ket. BMA’s mines are located in the coal rich Bowen Basin of Cen­tral Queens­land. The US$3.4 bil­lion Caval Ridge Mine was opened in Octo­ber 2014 in a joint cer­e­mony with Tony Abbott MP, Prime Min­is­ter of Aus­tralia. A short (5 page) out­line of a bio­di­ver­sity off­set strat­egy is avail­able online. Accord­ing to this doc­u­ment the bio­di­ver­sity off­set strat­egy is cur­rently being devel­oped by BMA to address the objec­tives of both the cur­rent State and Com­mon­wealth leg­isla­tive bio­di­ver­sity off­set­ting requirements.