It’s New York Climate Week this week, and we’re bringing you highlights from all the key debates and discussions. Climate Week NYC is one of the most important gatherings in the energy calendar, bringing together business leaders, investors, scientists, campaigners and policymakers to discuss the global effort to prevent catastrophic global warming.

Last year, confidence in renewable energy was riding high, but now the conversation is shifting toward the challenge of meeting rising electricity demand. The race to achieve the most advanced AI capabilities is widely seen in the energy industry as the most urgent issue it is facing today. And that is creating challenges for the drive towards decarbonization.

At the Climate Week opening ceremony, Simon Stiell, Executive Secretary of the UNFCCC, said that climate advocates have “not explained to people in the right way what needs to be done”. He urged them to connect their messaging to immediate, everyday issues rather than distant disasters.

To discuss all this, host Ed Crooks is joined by Helen Clarkson, CEO of the Climate Group, which puts on the event. She describes Climate Week NYC as the “green room for COP,” a place to sharpen focus before the big UN negotiations that are this year being held in Belem, Brazil, in November. While climate ambition is clearly faltering in the US, she says, there are rapid shifts under way elsewhere, such as the explosion of cheap rooftop solar in Pakistan. As this divide opens up between the US building on its strengths in fossil fuels, and other countries embracing low-carbon technologies, America risks losing competitiveness, she warns.

Plus, the financial analyst’s view on the big themes of the week. Will Thompson is a Director in the Thematic Investment Research Team at Barclays Investment Bank, and he spends a lot of his time at the moment thinking about the intersection of AI and energy. He talks to Ed about how AI is driving a surge in electricity demand, with US data centers potentially doubling their share of the nation’s power use by 2030. And he describes the “power wall” facing AI: a looming bottleneck when companies want more power than the grid can provide. To overcome this, tech giants are moving toward distributed or “bring your own power” solutions, such as on-site natural gas plants and battery storage, he says. This shift prioritizes “speed to power” over cost and could push up emissions in the near term. Will and Ed discuss permitting delays, grid constraints, and fragile supply chains as the major barriers to accelerated investment in electricity supply capacity. There is bipartisan urgency in the US to secure AI dominance over China. Will it be enough?

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