seawater

Towered over by cranes, the tunnel entrance sits at the base of a steep coastal wall with sparkling seawater lying overhead.

SeaCURE processes the seawater to remove the carbon before pumping it back out to sea where it absorbs more CO2.

Scientists say subtle differences in the colour of seawater will enable them to count tiny - but critically important - Antarctic marine creatures, from Space.

They intended to erect their dwellings on top of existing coral, reinforcing steel scaffolding using a patented process that Hilbertz had developed called Biorock, a substance formed by the electro-accumulation of materials dissolved in seawater.

“Even patches of seawater along the shoreline froze,” Hackford recalls, “and it fit Dolores perfectly: a woman totally isolated at the end of the earth, savagely weathered and tough as nails.”