Looking specifically at the economic costs and benefits of three different roof types — white, black, and green (or vegetated) roofs — Lawrence Berkeley National Laboratory (LBNL) researchers have found in a new study that white roofs are the most cost-effective over a 50-year time span.

The design of green roofs — including its energy efficiency enhancing and heat island mitigating features — is expected to improve following a two-year research partnership between Portland State University (PSU) and Walmart that will collect in-depth data on the largest green roof installation in Portland.

The Matarozzi/Pelsinger Multi-Use Building in San Francisco is the inaugural recipient of the Top Ten Plus award, recognizing it for the quantifiable metrics that demonstrate the true impact its sustainable design has achieved.

Xero Flor America (XFA) announced the selection of the Xero Flor Green Roof System for the 292,000-square-foot green roof being installed on the Jacob K. Javits Convention Center in New York City. The green roof will be the second largest on a building in the United States when completed.

Onset, a leading supplier of data loggers, has introduced the HOBO® Green Roof Monitoring System for measuring the performance of green roofs. Designed to provide reliable performance in harsh rooftop environments, Onset said the 15-channel system enables users to quickly and easily monitor green roof conditions.