EU climate chief Frans Timmermans steps down to lead Dutch center-left coalition
- Frans Timmermans resigned from European Commission to run for Dutch premiership.
- He aims to unite the Labour and Green-Left parties and become prime minister.
- Timmermans wants to address climate change, nature conservation and the war at Europe's borders.
- He hopes to tackle inequality in Dutch society through coalition politics.
- The Netherlands will hold elections on November 22 after a previous coalition collapsed.