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Summary

part 1 of a 3 part podcast

Paul has something to say about what's the best thing you can do for the environment.  Several people join in to talk about it.

He's a bit fed up with being the light bulb guy.  It's not the only thing you can do but a lot of people seem to think it is.  The whole light bulb debate especially for CFLs was dubious as people pushed them to profit from selling them.

The argument about incandescent bulbs doesn't generally take heat into account: in winter you can use the heat as well as the light, and run your heating a few degrees lower.

The next suggestion is about native plants.  It's not so much pro-native plants as anti-non-native plants, and of course to kill off the non-native plants you buy a ton of herbicide.  So while native plants are obviously good, spreading toxic gick around to allow that to happen isn't good.  Most of the "native plant advocates" don't actually eat native plants.  Most of what people eat is actually originally non-native.

Paul advocates growing food, rather than fixating on native or non-native.  Derek points out that corn was grown throughout the Americas, but now it's not a staple food like it used to be.  Paul points out that corn needs human input to survive long term.

The next topic is cows.  It's widely quoted that domesticated cattle cause a lot of environmental damage, but the numbers don't really add up.  Keeping cows in a paddock shift system has impressive benefits for soil and growies.  This argument is popular with vegans, but then they advocate that being vegan is the only solution, and moreover that everyone should become vegan.

Relevant Threads

It is 2026 and incandescent is still better than LED

Paddock shift innovation
Rotational grazing forum

Cattle forum

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COMMENTS:
 
pollinator
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Location: Massachusetts, 5a, flat 4 acres; 40" year-round fairly even
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A wise use of “light bulb conversation”
—let’s design a response. If it has come up, it’s an entry point to the kinds of other conversations that could be more constructive. For the average, non-engineer person, a starting point meeting them where they are or can reach to from their level of ecological scale awareness. (Use slow and small solutions).


My brainstorms:

“A clothesline will make a much larger dent.” (Simpler to start with than micro heaters conversation)

“Heating the person, not the air will make a much bigger dent.” (General concept easier to get to than specific “heat yourself with the lightbulb” or “microheaters” which sounds more obscure and unfamiliar.

“You can save more money by…” (maybe but once people are on their “virtue track” they may feel defensive and not want to talk about saving money.

“You can send less money to the electric company” maybe.

Anyone else want to brainstorm here?


 
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I agree with the statement that cows are not driving global warming…. But…
The methane that cows produce is a result of the rumen bacteria breaking down cellulose in grass, a famously difficult food source to digest. A cow that is fed grain, while generally not as healthy, actually produces less methane because digesting carbohydrates doesn’t require the methane producing bacteria.
Now, this is complicated by the fact that there are methane eating bacteria in grassland soils, which may in fact consume the cow’s methane before it leaves the area. But that may be an “it depends” type thing.
In any case, the 15% number refers to the total methane produced by human activity. If you ask what contribution cows make to global warming, the models put it at less than 2%. Hardly the lowest hanging fruit.
 
I agree. Here's the link: http://stoves2.com
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