Pressure grows on Alcoa over strip-mining of Western Australian jarrah forest, which also threatens Perth’s water supply Get our breaking news email, free app or daily news podcast US mining company Alcoa’s strip-mining of Western Australia’s jarrah forest is under further investigation after its “deliberate repeat breach” of environmental laws that destroyed habitat for protected species – including black cockatoos, quokkas and numbats – and cost it $40m to avoid prosecution. The ongoing inqu