In 2024, a coastal country announced a major infrastructure plan to construct several tidal lagoons to generate electricity from marine currents. Simultaneously, to meet immediate baseload demand, the government approved the expansion of a deep-well extraction site for shale gas.
Which one of the following is the correct classification for these energy resources?
Tidal energy: non-renewable; Shale gas: renewable
Tidal energy: non-renewable; Shale gas: non-renewable
Tidal energy: renewable; Shale gas: renewable
Tidal energy: renewable; Shale gas: non-renewable