As Brazil positions itself to become a leading exporter of green energy, some communities near wind farms in Rio Grande do Norte say they are shouldering health and economic costs without sharing in the benefits.
Researchers report a perovskite-based solar cell engineered for durability, enabling power generation in submerged conditions.
Renewable generation has consistently exceeded non-renewable generation since January, marking a first for the region, according to the BBC.
Members of the public are being invited to give their views on plans for a new renewable energy company, which supporters say could help reduce energy costs over the long term.
The proposed Berwick Bank windfarm is predicted to kill over 4,000 seabirds annually, according to RSPB calculations.