The Department of Buildings (DOB) currently holds bimonthly information sessions on Local Law 87 (LL87) at 280 Broadway in lower Manhattan. For dates and registration info, visit DOB's LL87 page. For those who are unable to attend, the information session presentation (in PDF) is available for download.
Urban Green Council, the New York chapter of the U.S. Green Building Council, provides overviews for LL87 and how to comply. Please visit their LL87 page to register for upcoming webinars and to request an onsite presentation. Additional resources, including a compliance checklist and presentation slides, are also available.