"It's not news that climate change is one of the greatest challenges of our time, requiring fast, coordinated action," says Alex Matthews, a moderator on a SXSW panel on climate tech.
"We need hundreds of different solutions across the gamut."
But there are also huge opportunities, he adds: "Successfully transitioning will call for trillions of dollars in capitalour estimate is $2.5-3 trillion over the next 30 years."
Australia, for example, is aiming to raise $1.5 billion in the next year for climate tech projects, the Guardian reports.
"We have so many amazing natural resources at our fingertips that we can use to lead the world in climate-tech innovation," says Kirstin Hunter, managing director at Techstars.
But there's a problem: "For the founders developing physical technologies, there's not the same proving ground as there is in the software venture investment ecosystem," Hunter says.
"Often, their only option is to do a PhD to contribute to the betterment of their discipline."
That's especially true for waste-heat-to-energy technology, which Hunter says could be "vital in helping decarbonize steel and concrete plants."
But there's more: "Climate skills are in demand," says Paul Hunyor,
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Chief executive of HCT, Dai Powell, shares the experiences and practical lessons he learned along the way when teaming up with Ealing Community Transport to deliver site transport during the Olympic Park construction.