Jit Bahadur Chaudhary was working at the hydropower site when the flood hit on Wednesday.
The Tal-y-bont Floodees, a volunteer group, have planted 50,000 trees and intend to plant thousands more.
Conservationists say it is a sign that the rare fish-eating bird is making a comeback.
A plan that saw £4m spent for the Green Man Festival has fallen apart because of a pair of birds.
Dafydd Hughes hoped to circumnavigate the globe on his boat, but was forced to quit after 100 days.
Sailor says around-the-world solo challenge is going well despite suffering a gash to his forehead.
Swan waddles down main road as it tries to re-join its family following a trip to town.
The secret letter said then-Prime Minister Harold Wilson should talk to the Queen about the student.
Dafydd Hughes aims to be the second Welshman to sail non-stop around the world in boat Bendigedig.
