At the campus of the French Fashion Institute, 27 design students from 13 different countries are gearing up to present their year's work before a highly influential audience. The stakes are high: these students are poised to compete with fellow graduates from the prestigious Central Saint Martins school in London.

April 22 marks Earth Day, and this year's theme is "Planet vs. Plastics". Over the past 60 years, around 7 billion tons of plastic have been produced, according to the UN. But only around 10 percent of it has been recycled. Initiatives are flourishing around the world to tackle the waste crisis, including new technology to improve recycling rates.

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.