Climate
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EPA’s Carbon Pollution Limitation Standards
The EPA's power plant standards will ensure that utilities pursue the clean energy investments that are best for our wallets, health, and climate
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How Do Heat Pumps Get Heat From Cold Air? Part 2
Reframing a common question to better understand why heat pumps really do work in extremely cold climates
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Building Code Meets Building Science
Five ways residential building codes have begun to align with building science–directed best practices
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Recurring Mold in the Attic
What is the source of moisture in this cold-climate vented roof assembly with cellulose insulation?
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Air-Sealing and Insulating an Existing Wall
What are the most effective air-sealing strategies and best insulation types for minimizing airflow through a north-facing wall?
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Gamers Tasked with Solving Pseudo Climate Crisis
Catan: New Energies puts renewable energy and greenhouse gas emissions within the field of play
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Yet Another Side to Carbon Offsets
Carbon offsets bring new investment to Appalachia’s coal fields, but most Appalachians aren’t benefiting
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How Parking Reform Is Helping Transform American Cities
In cities across the U.S., planners are pushing to eliminate mandates requiring parking spaces in new buildings to help reduce car dependency, create public and green spaces, and lower housing costs.
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Details for a “High-Performance Garage”
An insulated slab, Larsen truss wall system, careful air-sealing, and dense-packed insulation in deep cavities mitigate heat losses at a garage door
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Rafter Tail Removal for Home Performance Upgrade
A “chainsaw retrofit” was the solution for creating continuous air and thermal barriers from wall to roof on an old timber-frame farmhouse