“Corporations and countries around the world are promising to eliminate their contributions to climate change. But many of their targets for cutting greenhouse gas emissions are prefaced by a slippery phrase: “net-zero.”
More than 130 countries have set or are considering net-zero emissions goals, and many are stepping up as they prepare for next week’s COP26 climate meeting in Glasgow, Scotland. The United States, New Zealand, Costa Rica, Japan, and Argentina all aim to achieve net-zero emissions by 2050. The European Union aims to be “climate-neutral,” another way of framing net-zero. Even Russia and Saudi Arabia (the world’s top oil exporter) now have net-zero emissions targets.
Private companies are getting into the game, too. At least 20 percent of the 2,000 largest companies have set net-zero emissions targets, including giants like Apple, Ford, and Microsoft.
But “net-zero” is different from zero emissions, and this nebulous term can obscure a lot of important differences in how countries and companies actually plan to limit their contributions to climate change.”
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“When a country aims for net-zero emissions — as opposed to simply zero emissions — it’s essentially promising to balance out its climate pollution, so that overall, it doesn’t harm the global climate.
For example, if a factory owner can’t figure out how to eliminate their emissions with current technologies, they can pay to restore a mangrove swamp that will absorb an equivalent amount of carbon dioxide. If the mangrove absorbs roughly what the factory pollutes, the factory theoretically won’t contribute to warming. (The idea of net-zero sometimes goes beyond carbon dioxide and accounts for other heat-trapping gases, like methane.)
In principle, the idea of net-zero offers countries and companies flexibility in meeting climate goals. But in practice, critics say that net-zero pledges delay meaningful reductions in greenhouse gases and provide cover to those unwilling to take immediate steps to limit emissions.”
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“In the context of climate change, the atmosphere doesn’t care where the emissions are coming from or where they go, just the overall quantity that makes it into the sky. So in theory, matching greenhouse gas outputs with withdrawals can eliminate impacts on the climate.
However, it takes a lot of work to truly counter the damage of emissions. “I think just saying, ‘I’m going to be net-zero,’ with no concrete plans to achieve that goal, is not legitimate,” said Kelley Kizzier, vice president for global climate at the Environmental Defense Fund. “We have to understand what that company or country is going to do to make that a reality.””
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“There is no substitute for reducing overall emissions. Preventing greenhouse gases from spewing into the sky in the first place is the most meaningful and straightforward way to curb humanity’s impact on the climate. That means phasing out fossil fuels like oil and gas as completely as possible, as quickly as possible.
This also has positive effects beyond mitigating climate change. A smokestack can pollute its neighborhood and make people sick, even if a forest is counteracting its CO2 emissions, for example. Compared to net emissions reductions, “The marginal benefits of [total] emissions reductions and avoided emissions are far higher,” according to Broekhoff.
Another concern is that there are only so many options out there for balancing emissions. If too many companies and governments try to buy their way to net-zero emissions without making their own reductions, there won’t be enough carbon-absorbing tactics to go around. The largest burden of reducing emissions may then end up falling on the people with the fewest means to do so.
A strong net-zero emissions plan should therefore have large and immediate reductions in absolute emissions at its core.”
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“Despite these challenges, some experts say it is possible to create viable offsets with proper measurement and verification. And given the amount that humans have already polluted, it may soon be necessary not just to zero out human impacts on the climate but to achieve net negative emissions — that is, withdraw more CO2 from the air than goes in.
Every scenario for stabilizing the global climate around 1.5°C of warming involves net-negative emissions after the middle of the century, the IPCC reported in 2018. Its low-end estimate was that humanity would have to withdraw 100 gigatons of carbon dioxide from the air by 2100, roughly double the amount that humanity produces in a year today. The high-end estimate was 1,000 gigatons.”
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“many of the newer commitments are inward-looking, focused solely on emissions within national borders and ignoring their exports of fossil fuels.
Australia, for example, published a proposal for achieving net-zero emissions by 2050 that relies heavily on investments in low-emissions technologies. But its interim target for 2030 hasn’t budged. And while Australia’s government expects domestic greenhouse gas emissions to fall, it remains the world’s third-largest fossil fuel exporter and will continue selling coal and natural gas abroad. “Australia’s coal and gas export industries will continue through to 2050 and beyond, supporting jobs and regional communities,” according to the plan.
Similarly, Saudi Arabia is aiming for net-zero emissions by 2060 and is investing $186 billion in cutting its emissions, but it expects to continue exporting oil in the meantime. Even the US has urged countries like Saudi Arabia to boost oil production to stimulate the global economy.
Norway, which is aiming to cut its domestic emissions by 55 percent by 2030, is also aiming to expand its oil and gas industry. As long as these countries are extracting fossil fuels and inviting other countries to burn them, they’ll never be able to credibly claim that they are having zero impact on the global climate. In fact, they’re profiting from this destruction.”
“The story goes something like this: Tiny marine organisms called phytoplankton absorb carbon from the water and air around them. As the plankton are eaten by increasingly larger creatures, the carbon then travels up the food chain and into fish. Those fish then release a lot of it back into the ocean through their poop, much of which sinks to the seafloor and can store away carbon for centuries. The scientific term for carbon storage is sequestration.
“We think this is one of the most effective carbon-sequestration mechanisms in the ocean,” Bianchi told Vox. “It reaches the deep layers, where carbon is sequestered for hundreds or thousands of years.”
Carbon that’s stored in the deep sea is carbon that’s not making the oceans more acidic or trapping heat in the atmosphere. In other words, fish poop could be a bulwark against climate change.
The problem is that commercial fishing has sliced the global fish population to a fraction of its former level. As scientists figure out the importance of fish poop, they’re also recognizing a new danger of large-scale fishing. Beyond putting ecosystems at risk, the industry is messing with big nutrient cycles — and perhaps eating into an important carbon sink.”
“there is one surprising area that’s so far survived the congressional gauntlet as part of a big climate spending proposal: forest management and conservation. The bill — which Democrats are trying to pass with a simple Senate majority using the reconciliation process — allocates roughly $27 billion for spending related to federal, state, and tribal forests.
While that’s just a sliver of the roughly $1.75 trillion spending package, it’s an enormous and historic number, said Collin O’Mara, CEO of the National Wildlife Federation. “It’s the most significant investment ever in our national forests,” O’Mara told Vox. “It’s an astonishingly big deal.”
A large chunk of those funds would go toward preventing wildfires — which release huge amounts of carbon dioxide into the atmosphere and have devastated Western towns — and toward more equitable access to green spaces. The bill would also set aside billions of dollars for ecosystem restoration and more environmentally friendly farming practices.
Biden’s framework reveals that conserving forests and biodiversity is a core component of the nation’s plan to tackle climate change, as many scientists say it should be: Trees and soil are a natural sink for carbon dioxide, making forests a key solution for cutting climate pollution. Yet for decades, biodiversity conservation and climate change have largely been considered separate issues. The bill also shows that the US government has recognized the growing threat of climate-fueled wildfires and is willing to fund the Forest Service to do something about it.”
“The US has a singular responsibility to lead: It is second in global climate pollution after China, but far and away responsible for the largest share of cumulative emissions. Since 1850, the US has released a fifth of all carbon emissions, far ahead of every other country, according to an analysis by the research group Carbon Brief.
But US political polarization remains one of the biggest obstacles to global action. The US has never come to an international conference with a comprehensive climate agenda backed by Congress, mostly because Republican lawmakers have refused to negotiate on a serious action plan. So Democrats have banked on passing Biden’s climate plans in the Build Back Better agenda with a simple Senate majority. Their bet on reconciliation has put a good portion of Biden’s climate agenda in the hands of West Virginia Sen. Joe Manchin, who is personally invested in the coal industry.
Biden brings a mixed bag of promises to Glasgow. The administration does not have a signed, final law from Congress that backs up his words with billions of dollars in funding. What he has are ambitious promises of slashing pollution in half by 2030, quadrupling international aid, and helping countries adapt to the impacts of climate change. Most of that will depend on Congress following through, and a successful regulatory agenda that survives Supreme Court scrutiny.”
“While many answers to climate change require national and even international action, cities often have the unilateral power to craft local rules like building codes. But before the city of Tucson could even look at possible building reforms, the Republican-led state legislature took away its power to do so — by passing a state law that natural gas utilities are “not subject to further regulation by a municipality.”
Supporters of the Republican bill were trying to beat climate advocates to the punch and “preempt” restrictions on fossil fuels. “We wanted to get ahead of what we viewed as an economically damaging trend, and stop it before it could gain a foothold here,” says Garrick Taylor, a spokesperson for the Arizona Chamber of Commerce and Industry, one of the lobbying groups that supported the bill.
With those few lines of text, Arizona blocked a path for cleaning up a significant source of Tucson’s climate pollution — even as nations around the world are racing to transition to cleaner energy and slow disastrous climate change.”
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“Arizona was the first of many US states where “localities are cut off at the knees, because they’re in states where lawmakers are hostile” to these kinds of climate regulations, says Sheila Foster, a Georgetown University professor who specializes in urban environmental law.
Interest groups for the natural gas industry, worried about losing energy customers, have now promoted bills in half the country to strip cities of basic powers to set greener building codes and help phase out fossil-fuel pollution. These “preemption” laws have swept through 20 state legislatures; three more states have bills pending this year.”
“Even the mere prospect of new trade restrictions has prompted solar installers, who are already facing supply issues and higher labor costs, to pull back on some projects. At the same time, Biden wants to avoid being seen to be weak on China — another centerpiece of his campaign pitch and early policy agenda.
The conflict pits parts of the solar industry against each other. American solar panel manufacturers are petitioning to expand existing tariffs on Chinese products to those coming from Malaysia, Thailand and Vietnam. Backers of the tariffs and trade restrictions say they would allow panel makers in the U.S. to expand production. Added duties would also accomplish another of Biden’s goals: punishing China over the use of forced labor.
But the Solar Energy Industries Association, which represents developers that install panels and build solar projects, says imposing tariffs on those three nations would hit more than three-fourths of imports and about half of the total solar panel supply in the U.S. “That would have a pretty devastating impact on the solar industry,” said Abby Hopper, CEO of the trade group.”
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“Other trade issues before the administration could also hamper solar build-out. Commerce is weighing whether to extend separate Trump-era tariffs on Chinese solar for another four years, and the Department of Homeland Security is considering whether to increase trade restrictions on Chinese panel components, like it did this summer.
In June, the Biden administration blocked the import of products containing silicon materials from a key Chinese supplier, Hoshine, over concerns it uses forced labor in its manufacturing. The company operates in the northwestern Chinese region of Xinjiang, where the ruling Communist Party has interned hundreds of thousands of ethnic Uyghur Muslims.
The policy has resulted in Customs and Border Protection detaining some shipments of solar panels coming in from China.”
“A key climate policy designed to phase out fossil fuels will likely be cut from Democrats’ upcoming reconciliation package due to opposition from Sen. Joe Manchin (D-WV), who has reportedly refused to back the measure as negotiations over the budget bill continue.
According to the New York Times’s Coral Davenport, who first reported the news on Friday, Manchin, who chairs the Senate Energy and Natural Resources Committee, will not support the sweeping clean electricity program widely seen as the centerpiece of the bill’s climate plan.
The $150 billion program — officially known as the Clean Electricity Performance Program, or CEPP — would reward energy suppliers who switch from fossil fuels like coal and natural gas to clean power sources like solar, wind, and nuclear power, which already make up about 40 percent of the industry, and fine those who do not.
Experts believe the program is the most effective way to slash US carbon emissions significantly enough to prevent the global temperature from rising by 1.5 degrees Celsius, a threshold which would have drastic consequences for the planet if exceeded.”
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“Manchin’s home state of West Virginia is one of the largest producers of coal in the US, and Manchin himself benefits financially from the coal industry.
Manchin’s spokesperson, Sam Runyon, told the New York Times that Manchin opposed the CEPP because he couldn’t support “using taxpayer dollars to pay private companies to do things they’re already doing.””
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“Manchin is correct in saying that some companies are indeed changing over to sustainable electricity production; currently, almost 40 percent of electricity generated in the US comes from a clean energy source, either nuclear or renewable. But corporations are ultimately concerned about their bottom line, and the carrot-and-stick approach of the proposed clean electricity program incorporates that reality by incentivizing companies to make the drastic changes necessary to address climate change — and penalizing them if they don’t.
The other reason a clean electricity program could prove key to addressing climate change is that it creates a national standard, as opposed to the patchwork of municipal and state legislation and individual efforts currently in place. Among other impacts, the program would help bring lagging areas up to speed with the ambitious targets set by the Biden administration, which call for 80 percent of the nation’s electricity to come from renewable sources by 2030, and 100 percent by 2035.”
“In the near future, the energy made in the US is going to be much greener. The country’s current goal is for solar plants alone to make nearly half of US electricity by 2050. But we can’t just build solar plants where coal and gas plants used to be. They have to be built where it’s … sunny. And wind turbines have to be built where it’s windy. But that’s not always where the people who need the power are.
The distance from energy source to energy need is about to get a lot bigger. And the US is going to need more high-voltage transmission lines. A lot more. As soon as possible. While solar plants can be built relatively fast, high-voltage transmission projects can take up to 10 years. So experts say we need to start proactively building them, right now.”
“Solving a problem as vast as climate change or biodiversity loss is never as straightforward as planting lots of trees. People often think, “We’ll just plant trees and call that a restoration project, and we’ll exonerate our carbon sins,” said Robin Chazdon, a forest researcher at the University of the Sunshine Coast. Usually, she said, “that fails.”
Buzzy tree-planting programs tend to obscure the fact that restoration requires a long-term commitment of resources and many years of monitoring. “We should just stop thinking about only tree-planting,” as climate scientist Lalisa Duguma has said. “It has to be tree-growing.” Even fast-growing trees take at least three years to mature, he added, while others can require eight years or more. “If our thinking of growing trees is downgraded to planting trees, we miss that big part of the investment that is required,” Duguma said.”
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” A bigger problem still is that many large planting campaigns don’t account for the underlying social or economic conditions that fuel deforestation in the first place. People may cut down trees to collect firewood or carve out land for their animals. In those cases, putting seedlings in the ground won’t do much to end deforestation. “Planting trees might not be the intervention,” Fleischman said. “The intervention might be giving people a substitute for firewood.””
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“there are plenty of successful restoration programs — and they’re getting better, said Chazdon, who’s also an adviser for the WEF trillion trees campaign. “There is ample evidence that when restoration is done properly, it works,” she said.”
“There are several key ingredients needed for wildfires. They need favorable weather, namely dry and windy conditions. They need fuel. And they need an ignition source.
The California Department of Forestry and Fire Protection said that they are still investigating the origins of most of the blazes underway. But other factors this year stacked the deck in favor of massive conflagrations.
California and much of the western US are in the midst of a years-long drought. With limited moisture, plants dry out and turn into kindling. Ordinarily, vegetation at higher altitudes would still hang onto some moisture and act as a barrier to wildfires in places like the Sierra Nevada. However, the severity of the drought has caused even this greenery to turn yellow and gray.”
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“human activity has made wildfires worse at every step. Climate change caused by burning fossil fuels is increasing the aridity of western forests and increasing the frequency and severity of extreme heat events.
People are also building closer to wildland areas. That means that when fires do occur, they cause more damage to homes and businesses. That proximity also means that humans are more likely to spark new infernos. The vast majority of wildfires are ignited by people, up to 84 percent, whether through errant sparks, downed power lines, or arson.
And for hundreds of years, people have suppressed naturally occurring fires. European settlers also halted cultural burning practices from the Indigenous people of the region. Stopping these smaller fires has allowed forests, grasslands, and chaparral to grow much denser than they would otherwise. Paradoxically, that means more fuel is available to burn when fires do occur, causing blazes to spread farther and faster.”