Senator DI NATALE (Victoria—Leader of the Australian Greens) (14:26): Mr President, I ask a further supplementary question. Reports today indicate that you, minister, are looking at stopping environment groups who are campaigning against Adani by limiting their tax deductibility status. Is this an acknowledgement that the so-called champions of free speech now have to resort to muzzling environment groups if they are going to see this coalmine get off the ground and protect their big donor mates?