NEW YORK CITY—The American Museum of Natural History will hold an informational meeting on Thursday on the conceptual design of its new Richard Gilder Center for Science Education and Innovation. The 218,000-square-foot addition to the museum is projected to cost $325 million to complete.

SAN DIEGO—Water and energy conservation programs expects to expand into new states in 2016.

NEW YORK CITY—SNY—owned by Sterling Entertainment Enterprises, Time Warner, and Comcast NBC Universal—will shift its headquarters and studios from Midtown into 4 World Trade Center.

LAS VEGAS—A conversion of the 289-room tower currently operated at SLS Lux is expected to be completed by late 2016.