Casual Friday

At this year's Hannover Messe trade fair, it seems obvious that major industrial innovations are no longer possible without China. While exhibitors from China exude optimism, lobby groups plead for pragmatism.

Recent droughts in Colombia and Ecuador have severely hampered energy supplied by hydropower. Can the cheap, low-carbon renewable still thrive in an increasingly hot and dry world?

The Chinese fast-fashion online retailer is now subject to EU rules as a "very large online platform," joining tech firms including Apple, Amazon and Microsoft. The rules include measures to protect online users.