Rebuilding Versus Building Anew
Renovate old buildings to save the embodied carbon but do deep energy upgrades to reduce their operating impact.
Dennis Allen
Recent Stories
Renewable Energy’s Waste Dilemma
Solar panels cut carbon emissions; the industry’s practices need to be equally sustainable.
A New Eco-Friendly Cooling Film
Mimicking nature produces another winner.
Prioritizing Cities for People
The coronavirus and sheltering in place have reinforced the notion that places without cars are more pleasant.
Saving the Salton Sea
A potential win-win-win arrangement: on-demand renewable energy, restored natural systems for wildlife, and, for the first time, a clean extraction process for lithium.
California Adopts New Light Bulb Efficiency Standard
California is again showing the U.S. government and the world how to take bold steps to reduce greenhouse-gas emissions.
Carbon-Storing Building Materials
Code-approved, off-the-shelf, carbon-storing building materials can sequester a lot of carbon.
U.S. Global Green Leadership Flounders but Is Not Dead
Green initiatives by American businesses and communities are partially offsetting federal abandonment.
Choosing the Right Building Materials for a Low-Carbon Future
With minor adjustments, the building industry can reduce its climate impact by double.
Beavers, a Keystone Species
Efforts are underway to reestablish beavers in some of their original habitats.
