Credits issued under the landmark Paris accord come with limited oversight as international trading ramps up
4 min
When the South American nation of Guyana wanted to sell millions of carbon-offset credits to preserve its rainforests, government officials knew they had a problem: The country’s lush Amazonian forests were actually in good shape.
Guyana’s rate of deforestation was already low, meaning its forests wouldn’t yield much under standard methodologies for calculating carbon credits. So its government chose a new method that allows a large adjustment for countries with healthy forests. The change raised the credits that Guyana could issue sixfold. Guyana sold 37.5 million of them last year to U.S. oil giant Hess for at least $750 million, and is now shopping the remaining two thirds to countries facing pressure to comply with the landmark Paris climate accord, officials say.
That agreement calls for governments to adopt national plans to limit greenhouse-gas emissions and allows them to pay for emission-reduction projects elsewhere in the world to offset their own pollution. Credits for each ton of emissions cut can then be traded between countries. It is as if the emission reduction happened in the country buying the credit, not the one selling it.
Guyana is among the first in a long line of developing-world countries expected to cash in on credits compliant with United Nations agreements. Some officials worry the U.N. risks giving its seal of approval to credits for forests that aren’t under threat. At the COP28 climate summit under way in Dubai, negotiators are debating how much scrutiny carbon trading should face from U.N. experts and the public to prevent the mechanism from becoming a loophole in the Paris accord.
“If we play that game—every country gets to come in and pull an arbitrary methodology out of the ether, apply it to their forest areas and say give me credits—we’re never going to get anywhere,” said Kevin Conrad, the climate envoy of Papua New Guinea.
For now, the Paris accord imposes relatively little oversight on the market. Credits are required to undergo review by a panel of experts. But at last year’s COP in Egypt, governments decided that the experts wouldn’t be allowed to review the “appropriateness” or “adequacy” of projects.
That is fuelling fears the accord opens the door for polluting countries to buy lower-quality credits from poorer nations to meet their own emissions targets, undermining the Paris accord ambition of limiting global warming to 1.5 degrees Celsius above preindustrial era temperatures. Some developing countries are pushing for the right to keep much of the information around offset projects confidential. Companies would end up buying the credits, critics say, that would support spurious greenhouse-gas reduction claims. Hess said it would apply Guyana’s credits to its goal of completely offsetting its emissions by 2050.
“There is very little oversight of the process,” said Jonathan Crook of Carbon Market Watch, a Brussels-based nonprofit. “Some countries could set a higher bar, but there’s a risk that others do not.”
Guyana is in talks to sell credits to Singapore, which is evaluating whether it will accept the adjustment for low deforestation countries, an official involved in the talks said. The U.N.’s civil aviation agency last year said it would accept Guyana’s methodology under new regulations it set to limit emissions from international flights, making Guyana’s offsets the first eligible under the rules.
Switzerland is moving to purchase the first credits under the Paris accord, for non-forest projects in Ghana, Thailand and Vanuatu. The credits will then be used by Swiss companies to comply with the country’s greenhouse-gas limits under the Paris accord.
The Swiss government is refusing to invest in forestry projects because of uncertainties around the baseline against which the lack of deforestation is measured. Switzerland also has concerns around whether protections for forests are long term—a tree cut down or destroyed in the future would release the planet-warming carbon dioxide it has absorbed over its lifetime.
Corporations over the past decade have invested billions of dollars in greenhouse-gas offset projects in the developing world. Those projects yield so-called voluntary carbon credits: The companies are under no legal obligation to buy them but do so because of public commitments they have made to offset their carbon emissions.
Academic research and media reports have cast doubt on the impact of many of the projects underlying these credits. The problems were particularly acute in projects to prevent deforestation. Because such programs typically cover relatively small areas within a larger forest, they risk pushing logging and clear-cutting for agriculture into other sections that aren’t protected by a project.
Guyana’s project is designed to address some of these problems. It is one of the first to cover an entire nation, eliminating the possibility that deforestation could be displaced within the country. Covering around 45 million acres, it is one of the world’s largest forest-protection projects, according to Trove Research.
Guyana has some of the most pristine forests on the planet. They have been mostly spared the rampant logging and clear-cutting seen in neighbouring Brazil. Guyana lacks rich soil suitable for large-scale agriculture, a major driver of deforestation, scientists say.
“These are among the poorest soils on the planet,” said Janette Bulkan, a Guyanese forestry expert at the University of British Columbia.
Critics say issuing credits for protecting such forests violates a core principle of carbon crediting: They should only be issued for emissions that would have happened without the project.
Guyanese officials say its forests are nevertheless at risk in the near future without intervention. The country’s economy is growing quickly, as is global demand for the commodities that could be extracted from its rainforests. Guyana is also reaping a windfall from oil discoveries off its coast that are now being pumped by Exxon Mobil and Hess.
“Guyana’s forests offer opportunities for a wide range of goods and services, and development opportunities for opening up areas for industry and manufacturing,” said Pradeepa Bholanath, who oversees climate policy at Guyana’s Ministry of Natural Resources.
Guyana’s credits have been calculated by Architecture for REDD+ Transactions, a program run by the U.S. nonprofit Winrock International. The program’s methodology allows countries like Guyana that have had little deforestation in the past to issue credits against apredicted future level of deforestation under a formula devised by Winrock.
Winrock and other advocates of the methodology say the money allows much-needed climate finance to flow to rain-forested countries, even if they haven’t experienced past deforestation. Guyana has already received more than $100 million in its deal with Hess. Officials say that money is reaching tribes that live in the rainforests and being used nationally for forest preservation and renewable energy projects.
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Wall Street’s hottest momentum trade has reversed sharply, as former winners tumble and heavily shorted stocks surge.
3 min
Wall Street’s hottest trade has gone ice cold.
For years, it paid off to buy stocks that were rising in price—and bet against struggling shares. The momentum trade was especially profitable this year, as investors piled into hot stocks including Micron Technology, Nvidia, Advanced Micro Devices and other artificial-intelligence darlings while wagering against those likely to be hurt by the embrace of AI.
The S&P 500 Momentum Index soared 44% in the second quarter, its best quarterly performance on record, and it surged 133% over the past five years, nearly double the broad market’s performance.
Mega funds and rookie investors alike piled into the trade, some using leverage and options contracts in an effort to amplify their returns, propelling the underlying shares higher.
“It is a self-fulfilling prophecy,” said Matthew Tym, managing director at Cantor Fitzgerald, of the trade.
Suddenly, the trade is a loser. The momentum index has tumbled more than 9% since July 1, lagging behind the S&P 500’s 2.8% gain. The index—which tracks stocks in the S&P 500 based on a “momentum score”—is on track for the biggest quarterly underperformance in 25 years. July was the second-worst month for the momentum trade in around 40 years, according to Bank of America estimates; the only month worse was April 2009, in the teeth of the global financial crisis.
Hedge funds that bought momentum shares while shorting low-momentum stocks suffered even more. At the same time, a basket of the most popular stocks held by hedge funds tracked by Goldman Sachs recorded its biggest one-month underperformance in July relative to the S&P 500 in more than 20 years, according to the bank’s analysts.
Momentum trading is based on a rather simple observation: Investments that go up tend to keep outperforming; those that underperform often remain laggards. This kind of trading might seem too simple a stock-picking strategy to work. Yet it often has.
“For decades, it didn’t take a lot of sophistication to run a momentum strategy and make a decent living at it,” says Agustin Lebron, senior researcher at EquiLibre, a trading firm.
Part of the reason: It takes a while for corporate and other information to spread to various investors, so they slowly build positions, producing buying momentum.
“A huge pension fund can’t flip around its positions in a day,” says Lebron. “Behavioral biases also account for some of the effect, as well—people tend to sell their winners too early and hold losers too long.”
Fans of the strategy point to the human tendency to extrapolate from past results—and chase investment returns—noting that momentum patterns have been evident in markets for decades, even centuries. They also say that some of the worst months for momentum strategies are during longer periods of outperformance.
Some have been doing the trade by buying the strongest investments in a sector while shorting the weakest; others lean in to rising markets or asset classes. Still others use a quantitative approach or turn to banks or others who sell ways to make distinct wagers on momentum as a “tradable factor” or a “thematic basket.”
The fans remain believers. “Any strategy has disappointing periods,” says Antti Ilmanen, global co-head of the portfolio solutions group at AQR Capital Management.
The surge in Moderna and other biotech stocks helped crush the momentum trade. These shares were among the most heavily shorted in recent years, but positive news on a cancer vaccine from Moderna and Merck sent those stocks flying, crushing some quant and other hedge funds. Moderna is up around 150% so far this month.
These traders had an especially rough day on Aug. 19, which Goldman Sachs told its clients was the worst day for “systematic long-short managers” in more than two years. About half of the losses were because of momentum trades, the bank said.
Some traders have begun to short, or bet against, the very stocks that propelled the momentum trade earlier this year. Net short positions in futures tied to the Nasdaq-100 index among speculators recently climbed to some of the highest levels of the past two decades, according to data from the Commodity Futures Trading Commission.
The about-face is a sign of how markets have become more treacherous for investors, even as indexes keep climbing. Part of the issue: the recent meltdown of Situational Awareness, a hedge fund that had piled into some of the most popular momentum shares, including chip stocks. After a period of market tumult, Nvidia shares rocketed almost 9% after its earnings, showing how quickly sentiment can shift.
Some investors say the run-up in share prices driving tech stocks higher reminds them at times of the dot-com frenzy decades ago.
Mike Ogborne, the founder of San Francisco-based Ogborne Capital Management, said he has grown more cautious on technology stocks and is keeping more of his portfolio in cash than he typically does.
And he is nervous about the surge in spending by technology giants and quarterly capital expenditures that keep rising.
“It is a little bit like Cinderella and the clock striking midnight. You don’t know when midnight is going to come around,” Ogborne said. “They don’t send a memo around telling you when the capex cycle is over.”
