| Clue | Source | Date |
|---|---|---|
| Latter-day quackery | Newsday | 24 Apr 2021 |
| Unproven theories presented as fact | Wall Street Journal | 20 Apr 2021 |
| It's sometimes cited by climate-change deniers | The New Yorker | 16 Mar 2020 |
| Research involving flawed analysis | The Washington Post Sunday | 05 Nov 2017 |
| Expert witnesses' unproven theories, say |