This week’s Upside looks at the Energy potential of our oceans and a coding academy in Gaza

We’re unlikely to find fixes to our global problems if we’re battling against our planet’s natural resources rather than making use of them. This week, some tales of harnessing the power of nature as we tackle man-made crises: climate change and our insatiable need for energy.

Move aside, the sun – could the Moon be the solution to our clean energy crisis? The power of our ocean tides, the only renewable source derived from the moon, might be able to provide huge amounts of clean, renewable electricity. Damian Carrington reports from France on the extraordinary inventions that could help to harness it.

All these tidal sources are important and may contribute, but the main and cheapest contribution comes from efficient use. In other words: it is not sustainable to fly to remote destinations to board a ship that is supposedly cruising to important places that we must see. It is not sustainable to board a jet plane to watch a football match. And it is not sustainable to fly in food from faraway places out of season by airplane just for the kick of strawberries in winter or lamb from down under.

Commenter, continental cyclist, writing below the line of our piece on tidal power.

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