Author: craigshields

We’ve all had the experience of reading something from a reliable source and wondering how it could possibly be true.  Here’s an article from the Asian Development Bank that heralds the electrification of a village in Nepal with wind and solar. 

Tagged with:

My school friend “isn’t having” my contention that wind energy makes sense, but instead of refuting my point about the attractive EROI (energy return on investment), he writes: 

An old school chum shared this piece of excrement on Facebook just now, to which I responded: It pains me greatly to see disinformation like this spread around.

Tagged with: , , , ,

While late-night television host Trevor Noah certainly makes a good point in the meme at the left, one has to think that most people who encourage Trump do so because they’re afraid of what will happen if they don’t, not …

The Worst Part about Trump Is that His Spineless Entourage Encourages Him Read More »

Tagged with: , , , ,

Like wind turbines, devices intended to extract kinetic energy out of moving water are limited in their generation capacity by their “swept area,” i.e. the area of the imaginary circle made by tips of the blades. 

Tagged with: , , ,

Scott Pruitt, administrator of the U.S. Environmental Protection Agency, is now embroiled in scandals, forcing him to allocate resources to control the PR damage to his reputation as the ultimate heads-down planet wrecker.  

Tagged with: , , , ,

Here’s an interview that British environmentalist and author Jonathon Porritt did with the good people at Eco-Business.com.  Porritt‘s book The World We Made foretells of a world in 2050 in which humankind has worked through the existential threats facing it today–at least …

How Feasible Is a Sustainable World by 2050? Read More »

Tagged with: , , , ,

Here’s my response to the Facebook post at the right: It’s as if climate change were a problem tailor-made to confound our society. Mitigating it requires cooperation at every level (from interpersonal to international), personal sacrifice on behalf of others, …

Why Climate Change Mitigation Is Such an Intractable Problem Read More »

Tagged with: , , ,

I spoke earlier today with a colleague whose renewable energy program in China just got derailed by Trump’s tariffs/nascent trade war; for that reason, he was understandably quite upset with the president. Uncharacteristically, I tried to mollify him about the …

Trump’s Assault on the Environment Won’t Last Read More »

Tagged with: , , , ,

Pictured here is a device that combines wind and hydrokinetic energy.  Its proponents make the case that there is a strong overlap between the regulations that govern offshore wind and tidal/ocean current energy (which I’m sure is correct) and that …

Cost-Effective Renewable Energy Means Device Optimization Read More »

Tagged with: , , , ,