Marine

Three-quarters of UK public agree government should support solar energy and almost two-thirds back encouraging wind farms, while shale gas remains unpopular

Tidal streams could bring large amounts of energy within a decade if government support is available, study says

Edinburgh-based Pelamis says the move will not affect its development of P2 wave energy device

Costain, Atkins and Van Oord agree to construct project as plans go out for consultation

The government has unveiled long-awaited plans to support low carbon energy schemes, but will they deliver the green investment required?

Tidal Energy Ltd and Tidal Lagoon Plc both edge forward with plans for innovative tidal energy technologies

Report argues proposed £25bn scheme "has not demonstrated sufficient value as a low-carbon energy source to override regional and environmental concerns"

Engineering firm set to design and build generating units for the world's first tidal lagoon

Scotland accounts for £13bn of £30bn invested in UK renewable energy since 2010, but nation is too small to maintain support levels alone

Developers say geotechnical investigation will determine scope of the project, which could be first in a series of tidal lagoons