Alien invasion: squirrels, hyacinths and new growth Pernille Holtedahl27 September 2017#fredpearce, #thenewwild Comment
Systems thinking, exogenous shocks and the temptation to keep on dancing Pernille Holtedahl14 September 2017
The Google sexism brouhaha and why my love for The Economist was rekindled two weeks ago. Pernille Holtedahl6 September 2017
