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Rama Variankaval, global head of the center for carbon transition for JP Morgan Securities LLC, speaks during the Aspen Ideas: Climate conference in Miami Beach, Florida, US, on Thursday, March, 9, 2023. Aspen Ideas: Climate is a solutions-focused event designed for the public to interact with and learn from climate leaders whose ideas and actions are critical to address our collective future.

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Rama Variankaval is in his twentieth year working at JPMorgan Chase and at the end of 2020, he expanded his role in the corporate finance advisory arm of the bank to help spearhead the bank’s strategy on decarbonization, which refers to reducing or eliminating carbon dioxide emissions from a system or process.

He believes that decarbonization is a megatrend for the global financial markets, much like digitization has been for the last few decades.

“At any point in time, there are certain megatrends that impact more than just a narrow part of the economy,” Variankaval told CNBC in a video interview earlier in August. In his career at JPMorgan, Variankaval’s mission has been to identify and have a viewpoint on what those megatrends are and then to “direct our energies, our efforts, our balance sheets, to align with those megatrends.”

He believes decarbonization is a megatrend because global regulations to reduce greenhouse gas emissions will touch every business in every part of the world.

“It doesn’t matter whether you’re an energy client, or a consumer products client, or a retail client, there is something about this megatrend that is going to impact your business model, your business,” Variankaval told CNBC.

JPMorgan is looking be a big lender in the sector. The bank has said it is aiming to finance more than $2.5 trillion in the coming decade to advance climate and sustainable development goals.

Megatrend started around 2020

The topic of ESG investing — which stands for environmental, social, and corporate governance and is describes an investing strategy which incorporates non-financial measures of responsibilities — started coming up in 2018 “quite frequently,” Variankaval told CNBC. The focus on ESG was a harbinger of the forthcoming and increasingly intense focus on climate.

Climate change has been an issue for much longer than decarbonization has been a global financial megatrend, but a number of factors coincided to make decarbonization a business imperative.

The Paris Climate Agreement, adopted by 196 parties at the United Nations Climate Change Conference in Paris in 2015, was “a fairly massive catalyst,” Variankaval said.

By 2020, large asset owners, like pension funds and sovereign wealth funds, started to prioritize decarbonization “with higher intensity,” says Variankaval.

As the largest asset owners started to prioritize decarbonization, their influence trickled down and influenced the behavior of other financial gate keepers. Asset managers started asking the companies where they were making investments to start focusing resources and operations on decarbonization. For publicly traded companies, that pressure came in the form of proxy votes on issues relating to decarbonization.

In 2020, JPMorgan formally announced its Center for Carbon Transition, a group responsible for designing and implementing the JPMorgan strategy around climate and sustainability as it pertains to its client-facing businesses, and to also engage with those companies about that strategy “because we felt everyone was thinking about these topics” at the same time, Variankaval told CNBC.

President Joe Biden signs The Inflation Reduction Act with (left to right) Sen. Joe Manchin, D-WV; Senate Majority Leader Chuck Schumer, D-NY; House Majority Whip James Clyburn, D-SC; Rep. Frank Pallone, D-NJ; and Rep. Kathy Catsor, D-FL, at the White House on Aug. 16, 2022.

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The Biden administration’s landmark climate bill, the Inflation Reduction Act, signed in August 2022, further established the megatrend, accelerating the flow of capital into decarbonization and low-carbon technologies like solar, wind, green hydrogen, sustainable aviation fuel, carbon capture, and other areas.

The IRA lowered the net cost of capital for these decarbonization technology companies by as much as 5% (500 basis points), according to Variankaval, because it made it cheaper for decarbonization companies to put together their capital stack, or financing for deals. Deals that were typically done with a combination of debt and equity got a third source of capital added to the mix: Tax credits and the associated tax equity.

The IRA happened just as the broader economy simultaneously slowed down because the Federal Reserve raised interest rates to combat rising inflation. The higher interest rates in the broader economy counteracted some of the incentives of the IRA, but even against the backdrop of a softening broader economy, the IRA has already turbocharged the sector. By JPMorgan’s count, more than $100 billion of investments have been announced in just the last year with a direct link to the IRA, says Variankaval.

Also, there’s about $50 billion a year going into climate tech companies via private funding and venture capital funding pathways, says Variankaval.

“We see massive amounts of capital formation happening around the climate theme, or around the decarbonization theme, and we absolutely want to be the bank that is a leader in helping our clients navigate that, whether they are small clients or big clients,” Variankaval told CNBC.

While the IRA is specific to the United states, companies and governments are re-evaluating their own industrial policies around the globe to focus more on resiliency than they previously have, says Variankaval.

“We went, I think, a period of 15, 20, 30 years, where efficiency was the number one guiding principle of how you organize yourself,” Variankaval told CNBC. The thinking was: “let’s find the cheapest place to do every part of our supply chain, and stitch it all together,” Variankaval said.

But now, the resiliency of a company’s supply chain is being given as much priority as efficiency. And sustainability is a keystone of resiliency.

In addition to a sharpening global focus on decarbonization, the Covid-19 pandemic brought a particularly strong spotlight on the importance of supply chains, their vulnerability, and the importance of focusing on resiliency in supply chain management.

“All of these are coming together in a way to, I think, be perhaps the largest change in how capital flows that at least I have seen in my lifetime,” Variankaval told CNBC.

It’s too soon to be picking winners and losers

In addition to helping its clients adapt to a decarbonizing economy, JPMorgan also sees opportunity in being the bank for the burgeoning and potentially high-growth sector of climate tech companies.

“We absolutely want to be there with them at the ground level, and then have these companies grow with us. We want to be the bank of their choice,” Variankaval said.

Right now, Variankaval says, it’s too soon to know exactly which climate tech companies are going to the winners and losers.

“In a more traditional way of bringing about changes, a lot of research gets done in academic labs and government labs, and then people take it out and test it out in the commercial setting, and figure out what works, what doesn’t work. It’s a multi decade-long process,” Variankaval told CNBC.

It took two decades for the Internet from invention to wide business adoption, but “we don’t have the luxury of time when it comes to climate tech to go through the long-run process,” Variankaval said.

In some segments of climate tech, there are debates about which solutions are better than others that take on a near religious fervor. That’s not particularly helpful in his view.

“We have to deploy capital across all likely solutions, knowing that some may not really work as promised and the use cases may not quite be what we think they could be today. But others might surprises. And some might kick into action sooner, some might just take longer to kick into action. So you need to diversify in terms of technologies, but also in time horizons,” Variankaval told CNBC.

“You can’t really pick winners and losers at this point. We’re just too early. And that is at least how we think about it.”

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Amazon Web Services is building equipment to cool Nvidia GPUs as AI boom accelerates

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Amazon Web Services is building equipment to cool Nvidia GPUs as AI boom accelerates

The letters AI, which stands for “artificial intelligence,” stand at the Amazon Web Services booth at the Hannover Messe industrial trade fair in Hannover, Germany, on March 31, 2025.

Julian Stratenschulte | Picture Alliance | Getty Images

Amazon said Wednesday that its cloud division has developed hardware to cool down next-generation Nvidia graphics processing units that are used for artificial intelligence workloads.

Nvidia’s GPUs, which have powered the generative AI boom, require massive amounts of energy. That means companies using the processors need additional equipment to cool them down.

Amazon considered erecting data centers that could accommodate widespread liquid cooling to make the most of these power-hungry Nvidia GPUs. But that process would have taken too long, and commercially available equipment wouldn’t have worked, Dave Brown, vice president of compute and machine learning services at Amazon Web Services, said in a video posted to YouTube.

“They would take up too much data center floor space or increase water usage substantially,” Brown said. “And while some of these solutions could work for lower volumes at other providers, they simply wouldn’t be enough liquid-cooling capacity to support our scale.”

Rather, Amazon engineers conceived of the In-Row Heat Exchanger, or IRHX, that can be plugged into existing and new data centers. More traditional air cooling was sufficient for previous generations of Nvidia chips.

Customers can now access the AWS service as computing instances that go by the name P6e, Brown wrote in a blog post. The new systems accompany Nvidia’s design for dense computing power. Nvidia’s GB200 NVL72 packs a single rack with 72 Nvidia Blackwell GPUs that are wired together to train and run large AI models.

Computing clusters based on Nvidia’s GB200 NVL72 have previously been available through Microsoft or CoreWeave. AWS is the world’s largest supplier of cloud infrastructure.

Amazon has rolled out its own infrastructure hardware in the past. The company has custom chips for general-purpose computing and for AI, and designed its own storage servers and networking routers. In running homegrown hardware, Amazon depends less on third-party suppliers, which can benefit the company’s bottom line. In the first quarter, AWS delivered the widest operating margin since at least 2014, and the unit is responsible for most of Amazon’s net income.

Microsoft, the second largest cloud provider, has followed Amazon’s lead and made strides in chip development. In 2023, the company designed its own systems called Sidekicks to cool the Maia AI chips it developed.

WATCH: AWS announces latest CPU chip, will deliver record networking speed

AWS announces latest CPU chip, will deliver record networking speed

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Bitcoin rises to fresh record above $112,000, helped by Nvidia-led tech rally

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Bitcoin rises to fresh record above 2,000, helped by Nvidia-led tech rally

The logo of the cryptocurrency Bitcoin can be seen on a coin in front of a Bitcoin chart.

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Bitcoin hit a fresh record on Wednesday afternoon as an Nvidia-led rally in equities helped push the price of the cryptocurrency higher into the stock market close.

The price of bitcoin was last up 1.9%, trading at $110,947.49, according to Coin Metrics. Just before 4:00 p.m. ET, it hit a high of $112,052.24, surpassing its May 22 record of $111,999.

The flagship cryptocurrency has been trading in a tight range for several weeks despite billions of dollars flowing into bitcoin exchange traded funds. Bitcoin purchases by public companies outpaced ETF inflows in the second quarter. Still, bitcoin is up just 2% in the past month.

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Bitcoin climbs above $112,000

On Wednesday, tech stocks rallied as Nvidia became the first company to briefly touch $4 trillion in market capitalization. In the same session, investors appeared to shrug off the latest tariff developments from President Donald Trump. The tech-heavy Nasdaq Composite notched a record close.

While institutions broadly have embraced bitcoin’s “digital gold” narrative, it is still a risk asset that rises and falls alongside stocks depending on what’s driving investor sentiment. When the market is in risk-on mode and investors buy growth-oriented assets like tech stocks, bitcoin and crypto tend to rally with them.

Investors have been expecting bitcoin to reach new records in the second half of the year as corporate treasuries accelerate their bitcoin buying sprees and Congress gets closer to passing crypto legislation.

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Perplexity launches AI-powered web browser for select group of subscribers

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Perplexity launches AI-powered web browser for select group of subscribers

Dado Ruvic | Reuters

Perplexity AI on Wednesday launched a new artificial intelligence-powered web browser called Comet in the startup’s latest effort to compete in the consumer internet market against companies like Google and Microsoft.

Comet will allow users to connect with enterprise applications like Slack and ask complex questions via voice and text, according to a brief demo video Perplexity released on Wednesday.

The browser is available to Perplexity Max subscribers, and the company said invite-only access will roll out to a waitlist over the summer. Perplexity Max costs users $200 per month.

“We built Comet to let the internet do what it has been begging to do: to amplify our intelligence,” Perplexity wrote in a blog post on Wednesday.

Perplexity is best known for its AI-powered search engine that gives users simple answers to questions and links out to the original source material on the web. After the company was accused of plagiarizing content from media outlets, it launched a revenue-sharing model with publishers last year.

In May, Perplexity was in late-stage talks to raise $500 million at a $14 billion valuation, a source familiar confirmed to CNBC. The startup was also approached by Meta earlier this year about a potential acquisition, but the companies did not finalize a deal.

“We will continue to launch new features and functionality for Comet, improve experiences based on your feedback, and focus relentlessly–as we always have–on building accurate and trustworthy AI that fuels human curiosity,” Perplexity said Wednesday.

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Perplexity CEO on AI race: The market of providing answers to questions will become a commodity

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