Greens Senator Bob Brown said nothing was done after the Ok Tedi disaster in PNG, and this time the government must act. Meanwhile, the Australian part-owner may not be able to pay compensation for the spill. A mining watchdog says Esmeralda may face bankruptcy over the spill. Geoff Evans, from the Mineral Policy Institute, says the company needs to be held accountable for the damage. It seems that in this particular case there was no bond put down, so it's going to be a very difficult situation for everybody involved.
Asthma medications face tests.
Scientists have discovered eight new planets outside our solar system.