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The old joke about fusion is that it is 30 years from becoming a reality — and that’s been the case for the last 50 years or more. It’s a joke that may quickly be reaching its sell-by date. And a good thing too. The promise of fusion is near-unlimited energy that produces almost no waste.

Vice France's Motherboard channel features General Fusion in their examination of fusion energy: La course à la fusion. Depuis des années, les scientifiques cherchent à atteindre le graal d'une source d'énergie inépuisable, propre et sans danger. Pour ça, ils essayent de reproduire sur Terre l'énergie des étoiles, la fusion nucléaire.

Manny Frishberg - RTM Perspectives: Harnessing nuclear fusion, the force that powers the sun, has been a pipe dream since the first hydrogen bombs were exploded. Fusion promises unlimited clean energy, but the reality has hovered just out of reach, 20 years away, scientists have said for more than six decades—until now.

Adam Shaw and BBC World News Horizons look at the quest for clean energy and ask, how can fusion help us? In their search for an answer they visit the multi-billion euro ITER project in southern France, the Wendelstein 7-X stellarator in Germany, MIT's plasma physics laboratories, and private fusion companies Tri Alpha Energy and General Fusion. The show aired in the UK on June 17 and will be broadcast in North America on June 19. Watch it on the BBC Horizons website here.

The future of energy presents a difficult problem. The issue of global warming is a very pressing and real concern for humanity as a whole, and the need to shift away from fuel sources that emit carbon pollution is essential. The current zeitgeist tends to focus on wind and solar as renewable, zero-carbon sources of energy, but that excitement tends to overlook a core issue: intermittency.

Fusion doesn’t need billions of euros – at least that is what venture capitalists claim. Jon Cartwright takes a look. ITER will be big because physics says it must be big: as a reactor grows, you get more output power from a given input power. At least, that is the conventional view. Indeed, smaller and cheaper fusion plants are on the rise, but not in the public sphere.

The founders of Amazon and Microsoft are putting their fortunes into little-known fusion energy companies. Jonathan Frochtzwajg digs into a story that has strange parallels with fiction. General Fusion is just one of a pack of private fusion firms to catch the attention of physicists and investors. Unencumbered by red tape, these venture-backed companies believe that they can find a faster, cheaper way to fusion than government-sponsored projects, and some very influential people agree: besides Bezos, Microsoft cofounder Paul Allen and PayPal cofounder Peter Thiel are also backing firms at the forefront of fusion development.

Almost 200 clean technology companies from across Canada have written to the federal government, asking for a dramatic increase in government support for the industry, far beyond what was included in last month’s budget. The group, which includes members from clean-tech alliances in British Columbia, Alberta, Ontario and Quebec, sent a letter to Prime Minister Justin Trudeau on Thursday, recommending increased funding. The letter expresses support for the clean-tech spending sprinkled through the federal budget, but asks for specific and focused additions to help the sector compete globally.