But it is the experience of India, where power demand recently hit record highs, that illustrates most clearly why this is a global — rather than regional — crisis.

Having suffered through widespread outages amid record temperatures, the world's third-largest carbon emitter announced on May 28 that state-run Coal India will import coal for the first time since 2015.

What's causing the problem?

At root, experts say, the problem lies in a growing mismatch between supply and demand.

But now, as nations begin to put the pandemic behind them, demand for fuel is spiking — and the sudden competition is pushing the prices of coal, oil and gas to record highs.

"Energy demand has rebounded quite quickly from the coronavirus and more quickly than supply," said Samantha Gross, director of the Brookings Institute's Energy Security and Climate Initiative.

"So we saw high prices even before Russia's invasion of Ukraine (but then there was) really a shock to energy supply. Various actions taken in response to that are really a challenge for energy supply globally."

Why Asia?

"If you're a country, especially an emerging economy like a Sri Lanka that has to buy those commodities, has to buy oil, has to buy natural gas, this is a real struggle," said Mark Zandi, chief economist at Moody's Analytics.

"You're paying a lot more for the things you need but the things you sell haven't gone up in price. So you're shelling out a lot more money to try to buy the same things to keep your economy running."

Poorer countries that are still developing or newly industrialized are simply less able to compete with more deep pocketed rivals — and the more they need to import, the bigger their problem will be, said Antoine Halff, adjunct senior research scholar at Columbia University's Center on Global Energy Policy.

"So Pakistan certainly fits there. Sri Lanka I think fits there as well," he said. "They're taking the price hit but they're also taking the supply hit. They have to pay more for their energy supplies and in some countries like Pakistan, they actually have a hard time sourcing energy."

Canaries in the coal mine

This dynamic is behind the increasingly chaotic scenes playing out in those countries.

Pakistan too has had to reduce its working week — back down to five days from six — though that may only make the situation worse. Its six-day week, only recently introduced, was supposed to improve productivity and boost the economy.

Instead, daily hours-long power outages have plagued the country of 220 million for at least a month and malls and restaurants in Pakistan's largest city of Karachi have been told to close early to save fuel.

And any notion that such problems are a matter only for poorer, less developed nations is dispelled by the experience of Australia — a country that has one of the world's highest levels of global median wealth per adult.

Since May, the "Lucky Country" has been operating without 25% of its coal-based energy capacity — partly due to planned outages for maintenance, but also because supply disruptions and soaring prices have caused unplanned outages.

Like their counterparts in Pakistan and Bangladesh, Australians are now being urged to conserve, with Energy Minister Chris Bowen recently asking households in New South Wales, which includes Sydney, not to use electricity for two hours each evening.

A bigger problem ahead

How these nations respond may be stirring up an even greater problem than rising prices.

Under pressure from the public, governments and politicians may be tempted to turn back toward cheaper, dirtier forms of energy such as coal, regardless of the effect on climate change.

And there are signs this may already have started.

Both measures have come in for criticism from those who accuse the government of betraying its commitment to renewable energy.

In India, a country of 1.3 billion people that relies on coal for about 70% of its energy generation, New Delhi's decision to increase coal imports is likely to have even more profound environmental effects.

Scientists say a drastic reduction in coal mining is necessary to limit the worst effects of global warming, yet this will be hard to achieve without the buy-in of one of the world's biggest carbon emitters.

"Any country, be it India, be it Germany, be it the US, if they double down on any kind of fossil fuel it will eat up the carbon budget. That's a global problem," said Sandeep Pai, senior research lead for the Center for Strategic and International Studies' Energy Program.

While Pai said that India's decision might only be a temporary "reaction to the crisis," if in one or two years' time countries were continuing to rely on coal this would significantly affect the war on global warming.

"If these actions happen, it will eat up the carbon budget which is already shrinking in India and the target of 1.5 or 2 degrees will become increasingly hard," Pai said, referring to the Paris Climate Agreement's goal of keeping the rise in global average temperature between 1.5 and 2 degrees Celsius.

As Pai put it: "India's scale and size and demand means that if it really doubles down on coal, then we'll have a really serious problem from a climate point of view."