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...carbonate, soaking up the chemistry of the seawater surrounding them as they do this. The chemistry of the seawater that they lock into their shells can record the temperature of the seawater that they grew in and how fresh or salty the water was. At the end of their life cycle, these calcium carbonate shells remain intact, sink and are buried on the ocean floor. A wealth...

...carbon, but also argued that the price should actually be fairly low and we should very gradually deviate from a 'no policy' scenario and we should very modestly reduce greenhouse gas emissions initially but much more stringently. RH: So you were trying to prove that wrong? RT: I was trying to prove that wrong and I must admit that I completely failed there. After five,...

...carbon forms of energy. RH: Well the public sector has made solar vastly cheaper, hasn’t it, that extraordinary and some people thought at the time, Quixotic ambition from the Germans for a million solar roofs in cloudy Northern Europe, but that unleashed a huge amount of private investment into R&D and then stimulated the Chinese to produce their solar panels, which...