A UK power plant, once lauded as 'super green', turns out to be the country's biggest carbon dioxide culprit amid a blistering 'energy crisis' in the country. Twitter tests a 'new feature' in a bid to make conversations more 'healthy' by warning users that things could get 'intense or heated'. We have put the plan up for debate. The French government summons the country's top Catholic bishop over the claim that child-sex allegations, made during confessionals, should not be reported. A new law will force big retailers in California to make gender-neutral shopping areas for children. However, critics warn the rule will constrain businesses.