Global cities grapple with how to cool 'urban heat islands' - Feb sizzles at 36degCelsius as city faces urban heat island effect - Urban heat island effect sees Auckland CBD temperatures soar at night - Extreme heat is now making cities unlivable. How can we survive it? - New tool provides knowledge on heat stress vulnerability in cities for more targeted adaptation - Power cuts in parts of island city amid October heat - How Google's new AI tool helps cities deal with extreme heat - Study reveals key strategies to combat urban heat vulnerability - The cool technologies that could protect cities from dangerous heat - Ancient civilizations had ways to counter the urban heat island effect--how history's lessons apply to cities today