This week’s readings/links include a conversation with Jeremy Grantham on sustainable investment, the story behind the single biggest threat to the rainforests of Indonesia, Imran Khan on resetting the US-Pakistan relationship, a look at the world’s most efficient languages and an interview with Howard Stevenson, an angel investor and a co-founder of the Baupost Group.

• Podcast: Jeremy Grantham discusses sustainable investment.
• The secret deal to destroy paradise: The story behind the single biggest threat to the rainforests of Indonesia. Summary version here.
• We’re not your ‘hired gun’ anymore: Imran Khan wants a “proper relationship” with Washington.
• The world’s most efficient languages: How much do you need to say to put a sentence together?
• Wealth & families: Interview with Howard Stevenson, one of the founders of the Baupost Group.