Showing posts with label OSHER. Show all posts
Showing posts with label OSHER. Show all posts

Saturday, January 20, 2018

Watch Carbon Dioxide Emissions in Real Time

Carbon Dioxide and Nuclear

The first meeting of the nuclear energy study group at Dartmouth was true to its name: Nuclear Power for Climate and for People.  Bob Hargraves gave an excellent presentation on carbon dioxide and the role nuclear energy can play in carbon dioxide abatement.

I sent the class members links to sites where you can watch the carbon content of the electricity sector, pretty much world-wide.  Here's the note I sent.


https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions
Carbon Dioxide Emissions

Our first session was mostly about climate change.  In general, the electric sector is only part of the problem: industry, heating and transportation are important sources of carbon dioxide emissions.  However, almost all decarbonization plans for those emissions involve using electricity in other sectors: electric cars, heat pumps.  So the carbon dioxide content of the electric sector is essential, right now and in the hopefully-decarbonized future.

Real Time Electricity

Screen grab of electricitymap selection at 11 a.m. January 20
Now, back to the  electricity sector.  Interactive sites are fun, because you can watch them in real time.  Or maybe I just have an odd idea of fun....

Here's a real-time, interactive map of world-wide CO2 emissions. Many (but not all) countries are on it. https://www.electricitymap.org/?wind=false&solar=false&page=map

Little stuff: To move between areas in the map, click and hold. While holding, you can drag the map around with your mouse. You can also zoom in and out with your mouse. Wind and solar are listed as "false" above, because I have not checked the "wind solar potential" boxes. I am suspicious of the word "potential." I want real time data, not projections.

France and Germany

For fun, let's click on France, which is green on the map.
France is at 39 grams CO2 per kWh right now (it generally hangs around at that level)
96% low carbon electricity
25% renewable (hydro, I believe)

Okay, next, let's click on Germany.
Germany is at 470 grams CO2 per kWh (it is at that level a lot, but sometimes goes down to the 300s or even high 200s.  Watch it for yourself.)
It has 42% low-carbon electricity
22% renewable, probably hydro and wind

The difference between the low-carbon and renewable numbers is nuclear--low-emissions but not renewable.

Data is from around 9 a.m. this morning, January 20

New York, Ontario, Alberta

From EmissionTrak at 11 a.m. January 20
This website gives a week's worth of emissions for New York, Ontario, and Alberta. The source of the emissions is color-coded. http://emissiontrak.com/cei/nyOnAb.html

Ontario is mostly nuclear and hydro, New York is mixed, Alberta is coal and natural gas.  I think their "other fossil" is coal. Coal is--- "He who must not be named."

Fun with Maps!

Enjoy these maps. I think "playing around" is the best way to find out stuff. Have fun. We will see you Thursday!



Thursday, January 18, 2018

Nuclear Energy Study Group at Dartmouth OSHER

Black Swallowtail Butterfly
Wikipedia
Dr. Robert Hargraves of Thorcon Power (the Do-able Molten Salt Reactor) and I  will begin leading a four-session study group this afternoon. The study group is a course at Dartmouth OSHER, and the title of the course is Nuclear Power: For Climate and for People.

The course is oversubscribed (has a waiting list).  I always have some butterflies in my stomach before starting something new.  Anything new, despite how familiar some parts of it might be.  Yes, I have taught other courses and been on many stages. Yes, that helps.

I remember an Aikido sensei who told my class: "If you have butterflies in your stomach, make them fly in formation."

I am starting a new course this afternoon, with Bob.  All right.  Get in formation, butterflies!

Nuclear Power:
For Climate and for People

MIT Prof Kerry Emanuel, in his 2017 OSHER@Dartmouth summer lecture, raised awareness of the potential for nuclear power to reduce CO2 emissions that force global warming. Building more nuclear power plants is opposed by many on the grounds of health, safety, and expense. Fission power plants can provide inexpensive, ample power, especially for developing nations desperate to advance prosperity of growing populations. In four sessions we’ll cover the arguments against and for nuclear energy.

We’ll  first have a tutorial on energy, power, sources, uses, value to civilization and prosperity, energy poverty, and civil unrest where there is little. Second, we’ll review Emanuel’s lecture and book on global warming, CO2 in the air and ocean, the solar/ wind bandwagon, and the politics of IPCC, Kyoto, and Paris.  Third, we’ll cover how nuclear power works, why it’s opposed, and the future potential of energy cheaper than coal. Finally, we’ll cover activities of social organizations fighting for/against nuclear power.

There are no required texts for this course.

Robert Hargraves has taught OSHER@ Dartmouth courses on energy, politicized science, and internet money.
Meredith Angwin led The Grid and other courses for OSHER@Dartmouth.

4 sessions, 2:30 PM – 4:30 PM January 18 through February 8, 2018 DOC House - Hanover, NH