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A New Shade of Green
A New Shade of Green

By Sherry Listgarten

E-mail Sherry Listgarten | Follow this Blog

About this blog: Climate change, despite its outsized impact on the planet, is still an abstract concept to many of us. That needs to change. My hope is that readers of this blog will develop a better understanding of how our climate is evolving a...  (More)

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What is a "ton" of carbon dioxide anyway?
Dec 1, 2019 6:04 am
Comments: 15 | Views: 103,312

When I first started reading about climate change and all of the carbon dioxide emissions, I wondered what they meant by a “ton” of carbon dioxide, or... More
Calculate your EV mileage (custom for CA)
May 30, 2019 5:53 am
Comments: 15 | Views: 81,938

There was an interesting discussion in the comments of a recent blog post, and I thought it would... More
Demystifying heat pump water heaters
Jan 17, 2021 5:25 am
Comments: 27 | Views: 65,765


There is a surprising amount of water heater inertia in our area -- we are clinging to old-style heaters. I’ve been scratching my head about it. Mid-peninsula... More
How much time do we have left?
Jul 12, 2020 5:46 am
Comments: 24 | Views: 54,533

Welcome back! I hope everyone had a good Independence Day weekend and is staying healthy and hopeful. After a little holiday break we are back at it with today’s... More
What to do if you get a noisy Rheem/Ruud heat pump water heater
May 22, 2022 6:24 am
Comments: 20 | Views: 54,071


One of the reasons that people have favored the Rheem/Ruud heat pump water heaters is because they are quiet. Rated at a low 49 dB, you could install one in most... More
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