Blue and Green: The cost of generating power from renewable energy sources is plummeting and in many cases can now compete with fossil fuels, creating a historic opportunity to build sustainable energy systems and avert dangerous climate change, according to the International Renewable Energy Agency (IRENA).
A report from the organisation concludes that biomass, hydropower, biothermal and onshore wind are all now competitive with or cheaper than coal, oil and gas-fired power stations, even without financial...