Lawn's urban decay and planned the neighborhood's restoration as his master thesis. Carra explained that the neighbourhood had not been adequately integrated since it was incorporated into the city of Calgary in 1961. 2017 mayoral election Nenshi indicated his intention to run for a 3rd term on November 4, 2016. On October 16, 2017, Nenshi won a third term winning over 50% of the vote. The third election has been wrought with controversy as select neighbourhoods ran out of ballots and waiting lines to vote were hours long, resulting in lost votes. On April 6, 2021, Nenshi announced that he would not seek re-election for a 4th term in the 2021 Calgary municipal election. The election was won by councillor Jyoti Gondek. Mayoralty Positions In 2013, Nenshi supported the proposed Keystone XL pipeline network. He explained that opposition and protests were foolish as the pipe network could mitigate environmental damage caused from the transport of oil. In 2014, Nenshi refused to present musician Neil Young with a Calgary White Hat, a traditional token of the city's hospitality to prominent guests. Nenshi stated that he did not normally present honours to entertainers. Young was performing his Honour the Treaties benefit tour to raise legal funds on behalf of the Athabasca Chipewyan First Nation. The ACFN is appealing government approval to expand fracking on their territory. In 2014, Nenshi delivered a speech to the Calgary Economic Development speakers' series on diversity. Nenshi explained that there was a lack of ethnic and gender diversity among senior city staff. Nenshi stated that although the city had an excellent record hiring minorities and women they may experience a ceiling to promotions and advancement. In 2017 Calgary, as with many municipalities in Western Canada, recorded an increase in the number overdoses and fatalities related to an opioid epidemic. During conference of Canadian mayors, Nenshi invited the federal government to use Calgary as a test city to implement harm reductionist pilot projects and gather research indigenous to Calgary's unique needs. Although Nenshi's second term council voted to end addition of fluoride to Calgary's drinking water, he personally supports water fluoridation. He does however support more depth in the research literature related to municipal water fluoridation. Calgary has undertaken five plebiscites on water fluoridation, initially voting in favour of the practice in 1998. In 2016, the city council rejected a call for another vote, but in January 2019,