Good Morning from Ottawa. Time changed last night, so not quite awake! Please help with these 4:
10A: A track used for cross-country skiing: L-I- -
15A: Lepidium latifolium: D-T-A-D-R
3D: Theology promoting peace between Christian churches: I- - -I-D
8D: Shipping forecast area covering the Bristol Channel and the eastern Celtic Sea: L-N-Y