Voters in the city of Jerusalem go to the polls this week for municipal elections. The current mayor is expected to win another five-year term. But this is not a typical election, with the war in Gaza now well into its fifth month. Plus, every year the world uses up to 50 billion metric tons of sand, according to a United Nations Environment Program report. This is not sustainable and it's already having a negative environmental impact. And in Dubai, where temperatures regularly rise above 100 degrees, the city has set up destination night beaches. And they are thriving.