https://world-nuclear.org/information-library.aspx World Nuclear Information Library
https://ourworldindata.org section on Energy and Environment
Natural radioactivity in the ocean is huge (see Fig. 4) but localized concentrations could cause a problem if radioactive nuclides are absorbed by plankton and caught up in the food chain.
https://www.nature.com/articles/492031a Ashley 2012, Thorium fuel has risks
https://thorconpower.com/ - Powering up our world, brochure
https://thorconpower.com/docs/docs_v130_isle20190315.pdf - construction of ThorCon Isle, 2018
https://thorconpower.com/docs/docs_safeguards_pub.pdf - best on proliferation issues
https://thorconpower.com/docs/ccc_shrt20180530.pdf - Control, Cool and Contain