'An ode to Altadena': LA arts community bands together to support fire-ravaged neighborhood / Dealers feel justified in forging ahead with Los Angeles art week / Los Angeles' art world steps into a dangerous new age of climate risk / Los Angeles artists and collectors take inventory of charred works of art / Deadly wildfires destroy Los Angeles art spaces as museums and galleries close / Lacma, Moca and the Hammer Museum jointly acquire significant collection of works by Los Angeles artists / A guide to Frieze Los Angeles and an art extravaganza this weekend / LACMA: Los Angeles's future beacon of light and artistic renewal