When summer heat comes to the Arara neighborhood in northern Rio, it lingers, baking the red brick and concrete that make up many of the buildings long after the sun has gone down. Luis Cassiano, who's lived here more than 30 years, says he's getting worried as heat waves become more frequent and fierce. In poor areas such as Arara, those who can afford air conditioning — Cassiano is one — can't always count on it because of frequent power outages on an overloaded system.

Computer games have forever been a famous type of diversion, and playing with companions or against different players adds a

　東京都と神奈川県の間を流れる川「多摩川」。この川1本で子育て支援が激変するという。この問題について、ニュース番組『わたしとニュース』のハレバレンサーを務めるイラストエッセイストの犬山紙子氏が自身の