Is tidal power a viable energy source?

Cuba is in the grip of a deep economic crisis. The country’s communist government says it will open up the struggling economy to greater private investment in an effort to tackle it. But will these reforms be enough? And can they happen quickly enough to slow the record number of ...  Show more

We meet Chika Madubuko, the founder and CEO of Greymate Care, an online platform that connects people that need support with professional caregivers in Nigeria. It’s a business that was born in 2016 after her family struggled to find a trustworthy carer for her grandmother. If yo ...  Show more

Companies around the world are trying to harness the power of the tides to create a renewable energy source. Canada’s Bay of Fundy is a promising place to do it because it has the hi ...

As the world slowly moves away from using fossil fuels for electricity, one tiny Scottish island has proved it’s possible to rely almost entirely on renewables.

The inner Hebridean isle of Eigg used to get its power from diesel generators. But in 2008 its residents launc ...

Progress in wave and tidal energy hasn’t been slow – it’s been nonexistent. Despite media attention, strategic investments from large energy companies and strong support from national governments, the marine renewables industry has seen mostly technical failure over the last deca ...  Show more

Alternative sources of power are moving into the spotlight.

As the share of dispatchable power in our electricity system declines, with coal-fired plants giving way to variable wind and solar, maintaining reliable supplies to keep the lights on becomes more complex. Inve ...