Nine ideas to spark innovation in the energy sector

Innovation is essential to improving access to renewable energy, but how can it be accelerated? An expert panel made these suggestions in a live online Q&A

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