Ted Kaczynski’s letters from jail.

Australian company Aura Energy has been granted an exploitation licence for its Tiris uranium project in Mauritania. The licence is a precursor to full development of the north-west African project.

Environmental scientists and solar industry leaders are raising the red flag about used solar panels, which contain toxic heavy metals and are considered hazardous waste. With recycling expensive, most solar panels end up in landfills. Will they be exported…