Can’t we just remove carbon dioxide from the air to fix climate change? Not yet John Shepherd , University of Southampton Originally published on “The Conversation” at https://theconversation.com/cant-we-just-remove-carbon-dioxide-from-the-air-to-fix-climate-change-not-yet-45621 If we have put too much CO2 into the air, wouldn’t it … Continue reading →

I sent a letter to Nature entitled Fishery Reform: an Economic Problem, which they published on 28 July 2011. I have posted copies of the original  version (with references) and the shorter published version on my Fisheries page, here.

People who wish to question the validity of climate science usually call themselves “sceptics”. Scientists object to this, since all good scientists are perennially sceptical (indeed, the motto of the Royal Society is Nullius in Verba i.e. “take no-one’s word … Continue reading →

Letter to The Times (8 Nov 2010) about Matt Ridley’s article on Ocean Acidification Sir, Matt Ridley should brush up his basic chemistry & biology before he criticises scientists who worry about ocean acidification. First, any shift of acidity is … Continue reading →

Revised and extended version of a letter to The Guardian, (Monday 8 February 2010) Congratulations to Fred Pearce for his balanced and thoughtful articles last week on the climate email affair, and commiserations to Simon Jenkins and Simon Hoggart for … Continue reading →

Response to an enquiry arising from the BBC “Start The Week” programme on 28 Dec 2009 On 28 Dec 2009, someone wrote to me “Firstly I assume that you are the John Shepherd who featured on Start the Week today, … Continue reading →