One symptom of the complicated nature of green technology can be seen in the fact that I assign four categories to this post--economic, environment, politics, and, only lastly technology.
Green technologies can be separated into the following categories:
Generative: Nuclear, biomass, biofuels, solar, wind, tide, and maybe more
Recuperative: Recycling, re-using, retrofitting for insulation, etc.
Distributive: Smart power grids, micro-generation, land-use policy, etc.
The stated goal of green technology is to displace fossil fuels. The politics is fraught. The economics is dubious. The technology needs work. And the environment is waiting.
Just some brief notes from the generative side of things:
This year, the US passed Germany and became the largest producer of wind power. Are people celebrating? Do people even know? Germany, meanwhile, is the largest subsidizer of solar power--in a land that is not famous for being sun-drenched. Do people know or care?
In 2005, the US used about 21% of all energy consumed, about 100 quadrillion BTUs. In 2007, about 7% of US energy production was renewable (mostly nuclear and hydroelectric). President Obama wants to double that in the next three years. This would involve either doubling the number of nuclear power plants, tripling the number of dams, increasing 100 fold the number of windmills and solar panels, or some combination thereof. It's a challenge.
The challenge got bigger when oil prices collapsed (and those who think they will bounce right back should be talking to Brazil's Petrobras about their production plans). And, as nuclear power plants and dams are both contentious and long-term in the planning, we are left contemplating the wind, the sun, biomass and, presumably, our navels.
It seems to me that it would take about the same effort as did gearing up military production for World War II. (This may not be a coincidence--many are writing about how WWII 'cured' the Great Depression).
Windmills cost several million dollars ($4.2 million in 2001, although prices may have declined. They may also have increased, as they are incorporating more technology.) Solar panels are cheaper. America has lots of sun. But any way you slice it, renewable energy doesn't double for $50 billion, the price I heard Obama give. Perhaps he wasn't including nuclear and hydroelectric in his initial calculations? I'll check for the next post.
More later.
Update: Well, the President didn't answer my questions in his speech, but here are the bullet points from the Obama-Biden Comprehensive New Energy Plan for America, published in August of 2008:
Provide short‐term relief to American families facing pain at the pump • Help create five million new jobs by strategically investing $150 billion over the next ten years to catalyze private efforts to build a clean energy future. • Within 10 years save more oil than we currently import from the Middle East and Venezuela combined • Put 1 million Plug‐In Hybrid cars – cars that can get up to 150 miles per gallon – on the road by 2015, cars that we will work to make sure are built here in America • Ensure 10 percent of our electricity comes from renewable sources by 2012, and 25 percent by 2025 • Implement an economy‐wide cap‐and‐trade program to reduce greenhouse gas emissions 80 percent by 2050
I need to do some more digging, apparently.