Nicki Bennett is an American aid worker who bounces around from one hot spot to the next, working for Oxfam. She has been deployed to Sudan, eastern Congo, Chad, Zimbabwe, Malawi, Zambia and Guatemala. She is currently in Bangladesh working on post-hurricane reconstruction.

This week I’m back in Dhaka, the world’s undisputed rickshaw capital. With more than 300,000 of these brightly colored bicycle contraptions plying the city’s streets for trade, I rarely walk for more than a block before a rickshaw driver (known as “rickshaw-wallah”) pulls up next to me and urges me to hop on board.

I’ve learned it’s almost impossible to refuse a ride. This is partly because the rickshaw-wallahs are very persistent, partly because I feel I should be supporting people struggling to make a living (one in five of the city’s inhabitants depends on the rickshaw business for their income) and partly because Dhaka is now starting to get unbearably hot and humid (and I’m starting to get horrendously lazy).

Coming back from a meeting near my office this afternoon, I start chatting (well, mainly hand-gesturing) with my rickshaw-wallah and ask him where he’s from. I’ve heard lots of stories about families in the cyclone-affected coastal areas sending sons or brothers to urban centers like Dhaka to make a little bit of cash driving rickshaws (many people have not been able to return to their regular jobs as the cyclone destroyed their fishing boats and nets or washed away their crops). I’m wondering if my rickshaw-wallah is one of them.

Instead, he names a district that I’ve never heard of. We manage to establish that it’s somewhere north of Dhaka, near a river. “Floods,” he tells me. “In my village. Village underwater.” Finally the penny drops – he’s not just an economic migrant, he’s also a “climate migrant.”

By Danny Hakim

New York City could start charging residents to park in their own neighborhoods under Mayor Michael R. Bloomberg's congestion pricing plan. The mayor's proposal, which was introduced in the State Senate this month, would charge most drivers $8 to enter Manhattan below 86th Street on weekdays. To mollify people just outside the zone who feared their streets would turn into parking lots, the Senate bill would allow the city to issue permits so that most parking spots would be restricted to neighborhood residents.

But the bill says there would be unspecified fees that residents would have to pay to get those permits. The money would go to the city's general fund.

John Gallagher, a spokesman for the mayor, said "discussion of a fee structure for residential permit parking is very premature." Among other details of the plan, visitors coming into the city could deduct the cost of bridge and tunnel tolls from an $8 fee to enter Manhattan, but only if they use E-ZPass. And the state's environmental review process would be waived to speed up the plan.

We took a dive into the fine print of the mayor's proposal. As one might expect with such a voluminous piece of legislation, a number of notable items emerge from the fine print.

It's not spelled out how visitors driving into New York City would be made aware that they had to pay $8 within 48 hours or face a $115 fine. The mayor and his administration have said most people would likely have heard about the congestion fee, though some lawmakers say many might not. The mayor's staff says there would also be adequate signage. Lawmakers have wondered how this would actually work: The signs, presumably, would have to explain how and where to pay, requiring a lot more words than "toll ahead."