He dressed the funding proposal up in geoengineering language because that was the way to get funds - a tactic scientists in all fields have used down the years in order to ensure their research happens (witness the boom in "bioterror"-related research after the US anthrax scares of 2001).

BBC: Geoengineering: Risks and benefits

Clause 16 (Payment for Articles) of its Code of Practice requires that journalists must take every possible step to ensure that no financial dealings influence the evidence that a witness may give.

BBC: Press warned over witness payments