BusinessGreen brings you this week's green economy headlines from around the world
'Disastrous decisions' such as Heathrow expansion and rejection of Swansea tidal lagoon spark concern over government direction
Having turned down state funding for Swansea Bay project, can the UK still become a world leader in tidal energy technology?
BREAKING: Business Secretary Greg Clark confirms government will not back plans for a tidal lagoon at Swansea Bay, sparking fears trail-blazing project could be shelved
RenewableUK's Luke Clark argues that the marine energy sector is on the cusp of a major cost reduction drive
BEIS select committee announces investigation of obstacles and delays behind a long-awaited final decision on the Swansea Bay Tidal Lagoon project
ORE Catapult research finds development of wave and tidal stream energy in UK could boost jobs while cutting costs and emissions
Agencies sign Memorandum of Understanding as they seek to accelerate development of regions' nascent marine energy industry
FT reports that Shadow Chancellor John McDonnell has given his backing to ambitious plans to deliver £1.5bn tidal barrage project in the Mersey River
Could an offer to provide a substantial equity and/or loan investment help slash the headline price support the Swansea Tidal Lagoon would require?