In the final installment of our top five episodes of the year, Liling Tan speaks to Yeo Suay Hwee and Tan Gim Cheong from the Nature Society about certain native species that were once uprooted are now are coming back, and those that are lost forever.

What happens to Singapore’s gas supplies in times of war?
21:20

Green hydrogen - getting from pipe dream to a potential fuel for the future
21:28

The future so green: Talking to the young who will fill the climate and sustainability jobs of tomorrow | EP 46
23:44