| http://www.w3.org/ns/prov#value | - Oil companies such as BP and Shell now routinely spend millions of euros a year filling newspapers, billboard hoardings, websites and TV slots with promotion of their investment in renewable energy, when this makes typically around 5 per cent of their budgets.14 Shell, for instance, has spent millions showing pretty images of a butterfly net catching CO2 and a pocket calculator with a button marke
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