NEW YORK CITY

Habitat's advice columnist says boards can't bury their heads in the sand.

Vigilance is the key to detecting disastrous structural flaws.

New rules prompted by fatal explosions put plumbers in a bind.

New city rules and rising insurance premiums are sending costs up.

Low incentives are making the math unattractive to most buildings.

Low-cost loans for energy retrofits will help co-op boards cut carbon emissions.

Data on energy and water usage is now translated into building letter grades.

Many co-op and condo boards are burying their heads in the sand.

Co-op and condo boards have limited power to set rules on window units.

Instead of acting as a pass-through, condos should bill sponsors directly.