ClimateWire: The towering new orange condominium glistens in the sun, beckoning the city’s wealthy to enjoy its luxurious rarities: central air conditioning and a heated pool. In the trash-strewn, sprawling shantytown just below, thousands of the city’s poorest live crammed in rows of metal shacks the size of packing crates. There are sharp contrasts here. The newest-model BMW competes for lane space with ancient wooden rickshas. Stylish teenagers flock to the gleaming mega-mall, watched by …