Clean Power For all the excitement over the next big thing in lithium-ion batteries, the simple fact is that plain old water is the only large scale, long duration energy storage medium available today in the US and in many other parts of the world.

The world has failed to halt global warming. Four years after the signing of the Paris Agreement, most experts predict global warming will exceed the agreed thresholds, with disastrous consequences. As much as the world faces a climate crisis, it also faces a climate governance crisis: we know what must be done to halt climate change but we do not know yet how to get there.

Cryptocurrency is not an obvious candidate to cut greenhouse gas emissions. Just mining bitcoin, the primary blockchain-based cryptocurrency, emits about 22 megatons of carbon per year (the precise number is hard to pin down). But Apple's co-founder Steve Wozniak is backing a new cryptocurrency promising to do just that.

Dutch tidal turbines business Tocardo has struck a deal to acquire the 1.25MW Oosterschelde Tidal Power Plant, the largest tidal array in the world installed on the Oosterscheldekering. The acquisition follows technical due diligence phase during September 2020.