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Generation IV nuclear reactors – no use against climate change – theme for July 18

The claim that new nuclear power will solve climate change is spurious. This ignores life-cycle CO2 emissions  Nuclear energy is not zero carbon.  Emissions from nuclear will increase significantly over the next few decades as high grade ore is depleted, and increasing amounts of fossil fuels are required to access, mine and mill low-grade ore.

The “Generation IV” demonstration plants projected for 2030-2040 will be too late, and there is no guarantee the pilots will be successful.

James Hansen states that 115 new reactor start-ups would be required each year to 2050 to replace fossil fuel electricity generation ‒ a total of about 4,000 reactors. Let’s assume that Generation IV reactors do the heavy lifting, and let’s generously assume that mass production of Generation IV reactors begins in 2030. That would necessitate about 200 reactor start-ups per year from 2030 to 2050 ‒ or four every week. Good luck with that.

Moreover, the assumption that mass production of Generation IV reactors might begin in or around 2030 is unrealistic.

… a US Government Accountability Office report on the status of small modular reactors (SMRs) and other ‘advanced’ reactor concepts in the US concluded: “Both light water SMRs and advanced reactors face additional challenges related to the time, cost, and uncertainty associated with developing, certifying or licensing, and deploying new reactor technology, with advanced reactor designs generally facing greater challenges than light water SMR designs. It is a multi-decade process …”

Renewables are much faster to roll out.

It gets even more ridiculous when the nuclear lobbyists tout Small Modular Nuclear Reactors. (SMRs) . If the large reactors are required in many thousands  – to be effective – how many millions of small ones would be needed?

And – don’t lets us forget. All nuclear reactors are themselves very vulnerable to the effects of climate change.  (from Jim Green, REneweconomy)


July 14, 2018 Posted by | Christina's themes | 3 Comments

Radioactive Scare at Hanford Nuclear Site in Washington State

Wed, May 10

“This is incredibly deadly material. It’s like having Fukushima sitting in your backyard ready to go off,” a lawmaker asserted of the nuclear waste site.

July 14, 2018 Posted by | Uncategorized | Leave a comment