Thursday, July 6, 2023

News piling up

I was traveling for the month of June but of course the news doesn't stop! Here are a few highlights.

First, the always great Hannah Ritchie posted this blog listing energy sources by US state. That info has been on this blog before but it's a nice, clear formulation.

Also related to energy: I don't spend enough time talking about public utility commisions in my class. Yes, it may be efficient to allow one provider (who faces lower costs by virtue of operating at scale) to dominate the market, but that also creates its own problems, as shown at the above link. 

While I start off my class talking about successes like Norman Borlaug, we quickly turn to current problems. I enjoyed this other reminder of technical success: the way that lighting has become basically free where it used to be very expensive (centuries ago). (And speaking of Borlaug, I enjoyed this piece about how GMOs save cropland, and the new phosphate resource recently identified in Norway, which would undercut West Africa's stranglehold.)

Another technical development has been the increase of US petroleum production. The US is close to producing the most oil that it ever has. That's good and bad, I guess?

Transitioning from energy to urban transportation. This Brookings study finds that "activity centers" make a huge difference for vehicle miles traveled, and the conclusion is that urban centers should be built around these clusters to minimize transportation time. VMT are what this NYT article thinks we should be taxing more, arguing that it will be more efficient than a gas tax for the roads. Meanwhile, urban researchers found that having more urban density doesn't improve people's health, but it makes people more likely to be sedentary (my interpretation of the metabolic scores in the article). And finally Vox has a new piece up on the huge number of pedestrians who are killed by cars every year in the US. It's all very complicated, isn't it?

Thursday, April 13, 2023

Power sources by state

Fun interactive article in the Post: see how the mix of power sources has changed in your state over the past 20 years. Almost all states are less carbon intensive in their power mix, for a variety of reasons. Many, including red states such as Kansas and Iowa, are using more wind and solar, and in other places such as Maryland natural gas has taken over for coal. Good to see progress!




Tuesday, April 11, 2023

Oil production and consumption

First, consumption: I had no idea that 10% of drivers are responsible for 28% of gas consumption (for cars- pretty sure those private jets are a problem too). Turns out that gas consumption is supercharged by a group of users that are mostly rural, mostly poor, and who spend an inordinate amount on transportation. If those users were given electric powered vehicles, that would make a much bigger difference than switching in Corollas for Priuses, say.

https://www.prnewswire.com/news-releases/nearly-a-third-of-gasoline-in-california-consumed-by-just-10-of-drivers-per-new-report-from-coltura-301785858.html


Also interesting is this summary of Willow project, recently approved by the Biden administration to start drilling in Alaska. The project is located outside of the National Wildlife Refuge, leading advocates to tout the jobs and other economic benefits, while others want all of the wilderness to remain untouched. Alaskan oilfields have been productive for decades, but there have also been notable spills in Prudhoe Bay, some issues along the pipeline, and of course the Exxon Valdez spill in 1989. That said, on balance the pipeline has been quite successful, having increased income across the state of Alaska by 5 times. 

Friday, March 24, 2023

Data sources

I keep running across new websites offering access to data. Here are a few.

Opportunity Insights social mobility, based on US Census data

Data Commons environmental & climate change data

March News: Fracking, poverty, lithium and milk

While it would be quite a feat if I could actually make these three topics actually connect, those are just the issues that caught my eye recently.

First, on fracking for natural gas: I assigned Gasland and FrackNation in my Resource Economics class and they were not impressed. That's not a strange response, but it's rather new: I think before the pandemic, and before Trump, people were surprised to see journalists playing fast and loose with the facts, but today it's well known, even expected. Sort of heartbreaking, but maybe I don't need to make such a point about that anymore. Anyway, students recommended instead this BBC piece as an intro to fracking, and the 2012 movie Promised Land as better showcasing the dilemma. I will need to watch that one!

Second, milk: last year I assigned a variety of YouTube clips about meat and milk production, and while I'm letting that topic go this semester this Washington Post article caught my eye. It seems that milk protein is already being made without cows: yeasts and fungi can produce it without putting cows through the misery of repeatedly giving birth and then separation from their calves. I assume it's not quite cost effective yet, but hopefully the engineers will keep working on that front.

Third, lithium. As electric vehicles increasingly add market share, you'd think that the raw materials needed to produce them would be on the rise. In the case of lithium, you'd be wrong. Not sure that the low prices will continue, but for now prices are down a bit.

Finally, as we go into the public goods portion of the course, poverty reduction is often overlooked. We tend to think that people should take care of themselves, and that handouts are not sustainable. Just a reminder from someone who sees homeless people on the streets every day: it helps everyone if we can make people self-sufficient, including recognizing systems that keep people on the streets. WaPo link, for the article that reminded me...

Friday, February 24, 2023

Nutrition & human height

A six minute video posted on Vox shows how important a good diet is. This will be useful in my stats class, but it's also relevant for Resources: note that while Borlaug's work didn't have a direct effect on infant mortality rates, the changes he contributed to made a big difference for a lot of people. While genetics are important, diet can also determine as much as 20% of a person's height, which is why South Korea saw such impressive gains in height in the late 20th century. I always appreciate a little good news!


Monday, February 20, 2023

Chinese renewables

They may be working hard on their giant pig farms, but they are also working hard on adding renewable energy. According to Hannah Ritchie, their new capacity grows at an astounding rate: the amount of NEW capacity each year is more than the total capacity of large countries such as the UK. Wow.

No other large country is even close to adding this much renewable capacity. Go China!

Thursday, February 9, 2023

Chinese pig farms

 Article in today's NYT: high rise CAFOs have been built in China. I'm not sure about how much antibiotics they use, but at least in this picture it doesn't look as awful as some of the American CAFOs. (Some pictures show cages, which I think I have heard are important to keep breeding pigs from crushing piglets, though again I am no expert.)

They even reuse some of the feces: "Roughly one-quarter of the feed will come out as dry excrement that can be repurposed as methane to generate electricity." That's the same thing they are doing in North Carolina, where Modern Farmer reports that biogas collection has run into some problems as the waste collection disproportionately affected communities of color.




Monday, February 6, 2023

Oil: in decline?

Hannah Ritchie of Our World in Data is one of my heroes, and her blog today considers a report by (oil company) BP that demand for oil is declining. No one can perfectly predict the future, and there are a few scenarios to consider, but overall patterns indicate decreased demand over time, which is great news from a climate perspective.



Thursday, February 2, 2023

Boxing Day is over

A leading indicator for the health of the economy is the amount of cardboard used: when the economy is roaring along, demand for boxes is huge in this age of Amazon. If this leading indicator is to be believed, though, we may be in for some belt-tightening. This article shows that demand for boxes is way down.


Another indicator is the value of the US dollar. While that varies depending on what it's being compared to, in many cases the value of the grenback has been declining since September. Here's the US dollar vs. the Euro.



Wednesday, February 1, 2023

Long time no blog

Here it is the start of a new semester and I haven't posted anything for months: that's not good. Been a busy time: sorry!

First, a graphs caught my eye showing increased production of milk per cow 


 and increased US yogurt consumption.

Finally, the Washington Post posted this article today about the environmental impact of a variety of foods. There are many interesting graphics there including this one:

I knew that beef was up there, thanks to Our World in Data, but I didn't realize about groundfish. I need to learn more!