2016 Boston Future Ozone 
Cars That Think
AUGUST 16, 2021
Meanwhile, environmentalists were voicing concern—about how noisy such aircraft are taking off, about the possibility that their high-altitude emissions would erode the ozone layer, and about how disruptive the sonic booms would be. The last of these issues was perhaps the most vexing, prompting the U.S. Boom Supersonic.
Cars That Think
JULY 20, 2021
And it's already clear that the COVID-19 pandemic has sped up the arrival of the future along several dimensions. Before the Great Boston Fire of 1872, the value of much real estate had been held down by the presence of crumbling buildings nearby. Examples include the use of Facebook's data around the 2016 U.S. military bases.
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