9. The whole city is built on an advanced energy grid which monitors the output of every single switch and appliance.
The wind tunnel above (center) is fitted with LED lights designed to glow blue when residents are within their goal of using 50% less energy than a comparable settlement, and red when they are above their goal.
- Donald Trump says the shooting of NBA star Dwyane Wade's cousin is evidence of high crime rates he believes will boost his support among black people in November's election.
- Facebook shifts to algorithms to decide which stories to highlight in its trending news section after allegations of liberal bias at the company.
- Protesters climbed Berlin's Brandenburg Gate to protest against refugees. About 1.1 million asylum-seekers arrived in Germany last year.