The happiest countries in the world, disappearing languages and other top stories of the week

The happiest countries? Head for northern Europe.

Half the world’s languages will disappear this century. These 15 are on the verge of extinction.

Symbiotic hype. Combining tech innovation and new business models.

Workers are no longer equal consumers. Time for a ‘New Deal’ for the digital age?

What could transform farming in the developing world? The gig economy.

Fast growth and booming manufacturing. Why Africa is ready for investors.

Green bonds and green QE. Public & private finance can fight climate change.

The deadly desk job. Is your workplace killing you?

The Internet pollutes more than air travel. Time for low-carbon computing.

Generalised scepticism. How people navigate news on social media.

China risen. Understanding the world’s new superpower.

Observer bias. The miracle of Earth’s survival.

5 takeaways from the World Economic Forum on Latin America. (Devex)

Is tech making the world more uncertain? References Forum report on the future of energy. (Washington Post)

President Xi’s new economic tsar. Cites Vice Premier Liu He’s speech at Davos. (New York Times)

Trump’s losing trade gambit. Quotes discussion at WEF on Latin America. (Wall Street Journal)

Mauritius is a gateway to Africa’s energy sector. Draws on Global Competitiveness Index. (Africa Report)