Gar Lipow

Gar Lipow, a long-time environmental activist and journalist with a strong technical background, has spent years immersed in the subject of efficiency and renewable energy. His new book Solving the Climate Crisis will be published by Praeger Press in Spring 2012. Check out his online reference book compiling information on technology available today.

It is not being a spoilsport to point out that oranges are not a protein source

Mmm … oranges

David Roberts strongly objected to a critique of offsets and especially of credits for tree planting. The critique was originally made in the comments section of a post on a "carbon neutral" Super Bowl. Bruce …

Embers on the Mountain

An alternate history

Terry Bisson's underappreciated alternate reality masterwork Fire on the Mountain posits an alternative Civil War, where Harriet Tubman was well enough to join John Brown in his ill-fated raid against Harper's Ferry. In Bisson's book, …

New plan in fight against global warming: raise emissions

Sounds … whaaa?

Under the headline "A Coalition for Firm Limit on Emissions," The New York Times writes about a new coalition of major corporations and "moderate" environmental groups. As usual for the NYT, the lead is buried …

On global warming, dirty hippies offer the most practical politics

A single-issue movement won’t cut it

David Roberts has been writing about environmental talking points. But I think that skips a step. We need to examine what kind of politics the talking points are intended to contribute to. I don't think …

Biofuel processing? Part 2: methanol

As a method of processing biomass into liquid fuel, methanol tends to be less discussed than its more glamorous cousin ethanol. But it is much more efficient, and can accept just about any biological input …

Catch up post: replying to some comments

As promised, this is a catch-up post, wherein I belatedly reply to various comments.

Processing biofuels? Part 1: Fischer-Tropsch

An old-school method for making gas from biomass

There is a great deal of argument over biofuels, and indeed we don't want to overuse them. But I don't think anyone argues that we can't get some of our power from biomass, or that …

Solar thermal: already cheap if we did enough of it?

One research org says so

I've posted before about Stirling Energy Systems, which sells solar electricity from concentrating mirrors and heat engines for around 11 cents per kWh. But at least one technical advocacy group -- Trans-Mediterranean Renewable Energy Cooperation …

More on ‘Hell and High Water’

Joe Romm, author of Hell and High Water, wrote me about the review I posted earlier. I referred to the book as "depressing," but the tone is frank, not truly gloomy. Romm has none of …