A new study led by the University of Washington and the United Nations finds that world population is likely to keep growing throughout the 21st century, reaching 11 billion by 2100, about 2 billion higher than widely cited previous estimates. The growth shall be led by Africa, which is forecasted …

Scientists from Australia have produced the largest flexible, plastic solar cells, having 30 centimetre-wide panels and according to them the technology is close to commercialization stage.