But Rio Tinto said the industry was already making huge strides in adopting the green mantle, setting up a three year research programme into industry practices, a project which culminated in a conference in Toronto in May.

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The result is the culmination of a two-year research project called the Autonomous High Altitude Refuelling (AHR) programme.

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Soon thereafter on October 10, 1995, the United Nations Development Programme (UNDP) held a conference and set up a research project on global taxes.

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