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EDO acted for Humane Society International and sought a declaration that Kyodo breached the Environment Protection and Biodiversity Conservation Act 1999 by whaling in the Australian Whale Sanctuary adjacent to Antarctica and an injunction to prevent the killing of whales in this area.
In 2000, Macpherson served as a lobbyist for animal welfare group Humane Society International at a meeting of the International Whaling Commission.
Additional speakers included Anil Kapoor (actor), Chetan Bhagat (writer), Wayne Pacelle (President, Humane Society of the United States), Andrew Rowan (CEO, Humane Society International) and Founder Pritish Nandy.