Co-op and condo boards are facing a harrowing challenge. Under Local Law 97, the centerpiece of the city’s ambitious Climate Mobilization Act (CMA), all covered buildings larger than 25,000 square feet will be given a yearly carbon emissions budget, or cap. Beginning in 2024, significant fines will be levied against buildings that emit more carbon than their budget allows. To get under budget, a building may need to change its light bulbs, install a solar roof, upgrade the boiler, replace the facade or all of the above. Many building owners and real estate lobbying groups have insisted that complying with the emissions limits will be practically impossible and ruinously expensive.    Read the entire article……………………………….