Evidence was also given to the committee by representatives from the Coastal Monitoring Centre, Cardiff School of Earth and Ocean Sciences and the Local Government Association.
While sterile skyscrapers dominate the city centre, further out there is plenty of natural beauty to behold with Indian Ocean beaches, the hillside hideaways and scenic bushland not far away.
It included the Carbon Trust, National Renewable Energy Centre (Narec), and Ocean Energy Innovation - a group of major players in renewables including the University of Strathclyde.