Tweets for the Week of 2014-05-04 to 2014-05-10

Also, at some point, the kind of badass you need to be shifts from "mom on a cargo bike" to "post-apocalyptic zombie slayer" Yeehaw! 22:15:55, 2014-05-10
When people say I'm a badass for hauling 150kg of food by bike, I think "Everyone will be need to be a badass at 500ppm CO2 and +4°C" 22:12:43, 2014-05-10
@maconcowles I think you might have meant to do an at-reply there i.e. @AJTechKnow if you were trying to ensure they were notified anyway. in reply to MaconCowles 22:07:25, 2014-05-10
@alexsteffen @ramez And honestly, escaping sunk coal costs looks easy compared to sunk transportation/land-use costs. Ugh. in reply to AlexSteffen 14:06:59, 2014-05-10
@ramez @alexsteffen Unfortunately starting that discussion makes everyone (greens, utilities, regulators, legislators) very uncomfortable. in reply to ZaneSelvans 14:05:15, 2014-05-10
@ramez @alexsteffen We need a robust regulatory discussion on writing off sunk coal costs gracefully, rather than in unpredictable crisis. in reply to ramez 14:03:13, 2014-05-10
@ramez @alexsteffen Varies, but currently fuel risks are unpriced, passed through to rate payers. $0 clearly wrong. PPAs set upper bound. in reply to ramez 13:58:29, 2014-05-10
RT @AlexSteffen: Given infrastructure lifetimes, a global campaign against building any new large-scale auto infrastructure should be a cli… 13:54:06, 2014-05-10
@ramez @alexsteffen With 20yrs of fuel price risks integrated into generation costs, wind is already cheaper, w/o PTC http://t.co/sdusErUEbB in reply to ramez 13:53:19, 2014-05-10
@alexsteffen @ramez $50/ton is $0.50/gallon. Clearly in liquid hydrocarbon based transportation/land-use system, nowhere near high enough. in reply to AlexSteffen 13:50:12, 2014-05-10
@alexsteffen Concern. That's a gentle way to put it! Pricing alone is simple. Fixing the markets prices would exist in is a pain in the ass. in reply to AlexSteffen 13:13:10, 2014-05-10
@ramez I wonder how that compares to the ag subsidies per burger for the corn and soy the cow ate. in reply to ramez 00:39:10, 2014-05-10
@andrew_leach Cost seems to be a distant secondary concern when we face more familiar existential threats (e.g. war). Why is this different? in reply to andrew_leach 22:42:45, 2014-05-09
@andrew_leach I also tend to question whether the lens of economic efficiency is the most useful one for this problem so late in the game. in reply to andrew_leach 22:40:31, 2014-05-09
@andrew_leach That sounds interesting. So far I find the right tail of abatement far less frightening than the right tail of climate change. in reply to andrew_leach 22:32:02, 2014-05-09
@andrew_leach On decision making under deep uncertainty, I liked the @worldbank paper that @drgrist reviewed here: http://t.co/UCYtAPanZG in reply to andrew_leach 22:22:14, 2014-05-09
@andrew_leach The real question to me is, how do we, as a civilization, want to respond to uncertainty? How many bullets in the revolver? in reply to andrew_leach 22:16:19, 2014-05-09
All of this makes it impossible for me to listen to arguments about the relative costs of renewables vs. fossil fuels with a straight face. 21:16:00, 2014-05-09
Also, with a low discount rate & risk tolerance, fixed-price wind, solar, & energy efficiency become extremely cheap, even ignoring carbon. 21:04:35, 2014-05-09
Do you want civilization to persist with high probability? Then you have a low discount rate & risk tolerance, and thus a high carbon price. 21:02:25, 2014-05-09
The point I'm trying to make isn't that carbon prices are meaningless… but rather that they are mostly value statements. 21:00:54, 2014-05-09
@garyridesbikes The Pearl St. Mall in @downtownboulder is another pleasant example. in reply to GaryRidesBikes 20:41:25, 2014-05-09
The social cost of carbon? Somewhere between $10 and $1500 per ton. Depending. My new post on the Myth of Price: http://t.co/LldmjZKdcq 18:22:32, 2014-05-09
You know what the humans remind me of? A bunch of terminally ill, childless compulsive gamblers playing Russian roulette with 4 bullets. 17:05:27, 2014-05-09
@ericmbudd Excellent. The Nebraska xenoforming machines are in good working order. The Sand Hills will be dunes again before we expire. in reply to ericmbudd 20:42:42, 2014-05-08
RT @schmangee: True: Those headaches that come with driving? You can pretty much opt out of those by choosing a better place to live http:/… 09:15:48, 2014-05-08
Op-Ed from @WillToor in the @DenverPost on the sustained decline in driving in Colorado. We're not going back… http://t.co/OmcwVYrRI5 21:46:06, 2014-05-07
Sometimes I wonder if having a vision of how great future could be is worth the trouble. It generates so many mystified blank stares. 21:24:36, 2014-05-07
I have too many things to be working on! I need me some minions damn it! 12:56:06, 2014-05-07
Xenoforming the Homeworld FTW! MT @GSmeeton: We are the first humans ever to breathe air containing 400ppm of CO2, says @CFigueres in reply to GSmeeton 11:52:27, 2014-05-07
RT @CouncilSusman: Concerned about homesharing & ridesharing in #Denver? Tune in Mon for the first #DenverCityCouncil Sharing Committee. ht… 11:50:55, 2014-05-07
@iflscience I appreciate that "on Earth" caveat. Because, who knows what the extraterrestrial arthropods are up to. in reply to IFLScience 11:10:19, 2014-05-07
Oooh, first thunderstorm of the year in #Boulder. Also, I am tired of academics poaching my friends to work in faraway lands. 23:26:57, 2014-05-06
@isambrooks Also misses negative costs of much mitigation, & the space required for renewable energy at scale if everyone lives like the US. in reply to iSamBrooks 21:32:13, 2014-05-06
Divine retribution? MT @WaxmanClimate: Southeast has more billion-dollar #climate disasters than any other US region: http://t.co/iLJv3GInZM in reply to WaxmanClimate 09:31:51, 2014-05-06
The difference between low costs, and high but worthwhile costs is surprisingly subtle. 00:12:59, 2014-05-06
@ericmbudd Rolled them up in a cloth napkin and tied it with a bow. Always got it in my panniers. in reply to ericmbudd 20:52:47, 2014-05-05
RT @changeist: The end of history, in one sign. http://t.co/b1Txd3QGGa 20:51:45, 2014-05-05
@ericmbudd @boulderbma @303cycling aiming for a lot new of climbing shoulders at least, but it's gonna be a while. in reply to ericmbudd 18:55:45, 2014-05-05
Canyons are going to be opening and closing on and off due to heavy construction for *years*. Be prepared to adapt. @boulderbma @303cycling 18:49:28, 2014-05-05
Meeting with @BoCoDOT and @CommunityCycles on canyon road reconstruction plans… 18:12:37, 2014-05-05
I would really like to live in a two marshmallow civilization. Sometimes, I'm not even sure we can make it to one. 16:35:34, 2014-05-05
RT @ClnEnergyAction: A SuperPAC to end all SuperPACs! Embrace the irony. Help @lessig crowdfund @MayOneUS https://t.co/GuLwLIniRn & get th… 14:14:50, 2014-05-05
How can America's top cities for bikes avoid resting on their laurels? Apparently Portland feels a little slow too… http://t.co/JAoNmuMU7u 11:24:27, 2014-05-05
RT @Keeling_curve: And another first: April 2014 average CO2 value was 401.33, the first monthly average over #400ppm in human history. #gl… 01:35:31, 2014-05-05
@sugarmags3 50lbs of mixed produce… http://t.co/d5TddzrGgq 23:00:14, 2014-05-04
@charlesabrock you gonna have to get a real profile up there buddy 😉 00:23:53, 2014-05-04
RT @errolmorris: How did we forget the mass killings in Indonesia? And what might they have taught us about Vietnam? http://t.co/qaHtObAVAW 00:22:55, 2014-05-04

By Zane Selvans

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