Innovation is essential to improving access to renewable energy, but can it be accelerated? And how?

1. Invest public money in research and development

At a very macro-level, the public sector spends way too little on R&D. We made great strides with public investment in R&D on energy in the ‘60s, but have tapered off, and this is not unique to the US. Yet this is where we need bigger breakthroughs. Ilmi Granoff, head of green growth, the Overseas Development Institute, London, UK, @theilmatic

Public investment in energy R&D is @ $10-20bn but energy sector is @ 10% of $50tn global economy. #globaldevlive

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