From New Zealand's sewage power to India's solar mission, we run down the top stories from the past week
Flushed with success: New Zealand makes biofuel from sewage Solray Energy stakes claim to world's largest algae refinery, which converts toilet wastewater to biofuel Insurance giant warns...
Labour MP for Leeds North West Alex Sobel urges workers to join the prospective strike, scheduled to take place on 27 September
Winning bid of just €50/MWh came from a consortium led by EDF Renewables, Innogy and Enbridge
Singapore and Hong Kong score highly for private sector readiness to cope with the challenges of climate change
Carbon pricing could form the policy bedrock for a net zero target, argues Josh Burke