Credit: Photo: Allie Goldstein, Great American Adaptation Road Trip

Are Cool Roofs Green? The Answer’s Not Black and White

Roofing choices are complicated by heating tradeoffs, climate effects, and condensation, but proponents say reflective roofs still make sense in most climates.

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Latest Stories

NYC Carbon Challenge Makes Headway in the Private Sector

Twenty-Year Payback for Embodied Carbon of Triple-Glazed Windows

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Behind the Logos: Understanding Green Product Certifications

Product Watchdogs Pledge Standardized Ingredient Reporting Platform

Air Conditioners Are Heating Up Our Cities

$70 Million Fund Ready to Finance Building Energy Projects

EPA to Ban Several Common HFC Blowing Agents, Refrigerants

DOE: ASHRAE 90.1-2013 Saves 8.5% Source Energy

Product News & Reviews

Cost-Competitive LED Outdoor Area Lighting Is Here

Cree’s high-performing LED technology plus an improved manufacturing process create the low-cost OSQ Area LED for parking, roads, and other uses.

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Stormwater Biofiltration That’s Also Smaller and Cheaper

Maximizing principles of low-impact development, FocalPoint offers biological stormwater treatment for streetscapes, parking lots, and other tight spaces.

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Polyiso Insulation Without Halogenated Flame Retardant

Johns Manville introduces a premium polyisocyanurate foam insulation that is free of toxic halogenated flame retardants.

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Parking Garages Get Their Own Sustainability Certification

Five Projects Receive Net-Zero-Energy Certification

Cities Disrupt Bird Migration, Report Finds

Streets Designed for Speed Faulted in Pedestrian Deaths

Two Phthalate-Free PVC Plasticizers Stand Out in New Report

Young Residents, New Businesses Flock to Old Neighborhoods

Environmental Data for Window Glass Coming

Budding Purchasing Standard Includes Transparency in Principles

BackPage Primer

Safety Sheets Getting New Format—And Some New Data

The new Globally Harmonized System for the MSDS will make reporting requirements stricter and should make the forms easier to read.

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