Add spaces: Istillworemybigwintercoatonthe1stofMay.OnlyinthesecondpartofJuneitgotwarm.

Answer: I still wore my big wintercoat on the 1st of May. Only in the second part of June it got warm.

Add spaces: AnothergroupofGreenlandershadjoinedwithherfamily'sexpeditiontoVinland.

Answer: Another group of Greenlanders had joined with her family's expedition to Vinland.

Add spaces: AsanWRFattendee,Icouldn'thelpbutberemindedofthesimpleyetinsightfulobservationbyHermanDaly,oneofthefathersofecologicaleconomics,thatweliveina"fullworld."

Answer:
As an WRF attendee, I couldn't help but be reminded of the simple yet insightful observation by Herman Daly, one of the fathers of ecological economics, that we live in a "full world."