GWP
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Replacing HFC Refrigerants
A look at the transition away from refrigerants with high global warming potential toward A2L refrigerants for next-generation heat pumps and air conditioners
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Another Look at Embodied Carbon
Everything you buy at the lumberyard has embodied carbon — and that's worrisome
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Using David White’s Global Warming Calculator
The second part of my Passive House conference presentation
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Revisiting the Debate Over Global Warming and Insulation
Here’s what I presented at the North American Passive House Conference
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Landfills Have a Huge Greenhouse Gas Problem
In 2010, more than 10% of all methane generated by humans came from landfills
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What the Pact on HFCs Will Mean for Builders
The phase-out of hydrofluorocarbons will usher in new versions of foam insulation and updated air conditioners and heat pumps — but not in the immediate future
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More About Global Warming and Insulation
It’s not as straightforward as many seem to believe
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Choosing Rigid Foam
Knowing when to use polyisocyanurate, expanded polystyrene, and extruded polystyrene
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Friendlier Foam Insulation On the Way, Eventually
New blowing agents that will lower the global warming potential of XPS and spray foam are under development, but they they aren’t ready yet
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A New Blowing Agent With a Lower Environmental Impact
Honeywell begins production of a new blowing agent for foam insulation with a lower global warming potential than commonly used agents
