As UN climate talks loom in Brazil, many would-be participants fear they can’t afford to attend

Pooja Tilvawala knows it’s a gamble to use more than $46,000 of her own savings to help young people get to the United Nations climate summit in Brazil. But she thinks it’s a necessary one. As national delegations, activists and other attendees struggle to find affordable places to stay by November, with some deciding not to go at all, Tilvawala, who lives in London, has spent hours working from afar to find lodging in Belem, negotiate prices and contracts and put down deposits. She did all that to create a housing portal specifically for young people who want to be...