Food start-ups turn to algae for green protein source

The UN forecasts a rise in population from 7.7 billion today to 9.7 billion by 2050. According to a report in the Financial Times, investors and entrepreneurs are eyeing algae as a protein substitute that will help feed this growing population. Research has found the production of the algae is quite environment-friendly. An economical way to harness it can help not only the environment, but also aid food security.