Time is running out for the five passengers on the missing submersible that went radio silent on Sunday after embarking on a trip to the wreckage site of the Titanic.
Why is the NYC subway platform so hot? One rider built his own sensor network to find out. We explore the geothermal fix the MTA is piloting right now.
NYC just invested $100 million to turn a historic military base into a climate tech proving ground. We went inside the Brooklyn Army Terminal to find out why.