A new wave of innovation is reshaping how the mining industry approaches waste. CBC News, Canada, reported that researchers in Sudbury, northern Ontario, are developing a bacteria-based technology called bioleaching, which uses naturally occurring microbes to extract valuable metals such as nickel, cobalt, and copper from old mine tailings.
Led by MIRARCO Mining Innovation, the team recently opened a pilot facility in October 2025 to scale up this process, aiming to transform mining waste into a source of critical minerals while cutting emissions, reducing environmental risks, and unlocking billions of dollars in untapped resources.
Sudbury Moves Toward Commercial Bioleaching
Sudbury has a long history of mining, leaving behind massive piles of tailings—the leftover rock and sediment from ore extraction. These materials still hold billions of dollars’ worth of metals, but until now, recovering them was difficult, energy-intensive, and expensive. The bioleaching technology changes that. By using bacteria that naturally digest minerals, scientists can release metals from waste rock without relying on harsh chemicals or high temperatures.
According to Nadia Mykytczuk, CEO of MIRARCO, the new pilot facility represents a shift toward sustainable mining. She precisely mentioned that,
In Sudbury alone, the tailings contain $8 billion to $10 billion worth of nickel. With this facility, we are shaping a new era of mining innovation—one that focuses on clean technology, critical minerals, and preparing the workforce of tomorrow.
The facility connects research, industry, and community partners, creating a hub for applied research in bioleaching and bioprocessing.

Before moving to the new facility, MIRARCO operated within Laurentian University, and the long-standing partnership continues. The pilot center allows researchers to handle larger samples of mine waste and test how bioleaching works at a scale closer to industrial operations. This is essential for proving that the process can be commercially viable in Canada.
Bioleaching Breakthrough: Turning Tailings into Critical Minerals
- The process starts by grinding the mine tailings and mixing them with a nutrient-rich liquid. Scientists then introduce specialized bacteria into the mixture.
- These microbes feed on the minerals, producing chemical reactions that dissolve metals into the liquid.
- The resulting slurry moves through a series of reactors, where the process continues, and metals are eventually collected in a liquid form.
Early experiments are promising. Scientists at MIRARCO have noted that the process can recover 98–99 percent of nickel from the tested tailings. The value surpasses traditional methods that often leave large amounts of valuable minerals behind.
In separate research, scientists are growing and refining the bacteria. Different microbes target specific minerals. Some thrive in acidic conditions, ideal for breaking down sulfide tailings, while others focus on iron oxides or silicate rocks.
This flexibility allows scientists to extract not only common metals like nickel and copper but also rare earth elements and lithium, which are critical for batteries and renewable energy technology.

Environmental and Carbon Benefits
Traditional metal extraction uses energy-intensive methods, including high-temperature processing, chemical treatments, and heavy machinery. This approach produces substantial carbon emissions and generates more waste. Bioleaching operates at ambient temperature and pressure, reducing energy use by an estimated 30–40 percent.
It also tackles the challenge of storing mining waste. Canada produces around 650 million tons of mine tailings every year. Much of this material sits in ponds behind dams, which can be unstable and pose long-term environmental risks.
Significantly, tailings may generate acid or release metals into the environment, and dam failures can have serious consequences. The 2014 Mount Polley mine tailings dam failure incident in British Columbia is a stark reminder of these dangers.

By turning tailings into a source of metals, bioleaching reduces the volume of waste requiring storage, cutting both environmental risk and the legacy costs of old mining sites.
Overcoming Challenges
While promising, the technology is not without hurdles. Processing tailings can be costly, and the bacteria require careful monitoring and specific growth conditions. Scaling up from pilot operations to full commercial production will also need investment in infrastructure and specialized equipment.
Environmental experts, such as MiningWatch Canada, note that tailings can behave unpredictably. They may chemically react over time or shift physically, posing stability concerns. Effective containment and monitoring are critical to ensure the process remains safe at larger scales.
Despite these challenges, researchers are optimistic. Early pilot studies indicate that the bacterial method could recover 65–80 percent of minerals left behind by conventional processing. This is a significant improvement that makes further investment worthwhile.
Fueling Canada’s Clean Energy Future
The technology comes at a crucial time. Global demand for critical minerals is rising as electric vehicles, wind turbines, and solar panels become more widespread. Canada has identified 31 minerals essential for the energy transition, but many are currently imported from regions with supply risks. Bioleaching offers a way to unlock domestic resources while reducing dependence on imports.
The process could provide materials for electric vehicle batteries, grid infrastructure, and industrial applications. Lithium and cobalt can power EVs, rare earth elements like neodymium and dysprosium support wind turbines and other clean energy systems, and copper and nickel are essential for electrical grids.
By recovering these from tailings, Canada could strengthen its supply chains while reducing environmental impact.
By 2040, the IEA expects the value of North America’s energy minerals to grow to around USD 30 billion for mining and USD 14 billion for refining. Mining growth will mainly come from copper in the United States and Mexico, and from lithium and nickel in Canada.
For refining, the region could make up about 4% of the global market, led by copper and lithium refining in the United States and copper and nickel refining in Canada.

Moving Toward Commercial Deployment
MIRARCO aims to transition from pilot testing to full-scale operations in the next two to three years. Globally, bioleaching is already in use at around 30 mining sites, but Canada has yet to deploy it commercially. The pilot facility in Sudbury is helping bridge that gap by testing continuous processing and demonstrating commercial viability.
Government support is also playing a key role. CBC further highlighted that funding through Canada’s Clean Technology Program and provincial innovation grants is helping advance research and development. The technology aligns with national goals to position Canada as a global leader in sustainable critical minerals production by 2030.
Overall, industry analysts predict bioextraction could become commercially viable within three to five years for specific minerals, with broader adoption following as operational experience grows.
The post Bioleaching Breakthrough in Canada: How MIRARCO’s Pilot Facility Turns Mine Waste into Critical Minerals appeared first on Carbon Credits.
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How Climate Change Is Raising the Cost of Living
Americans are paying more for insurance, electricity, taxes, and home repairs every year. What many people may not realize is that climate change is already one of the drivers behind those rising costs.
For many households, climate change is no longer just an environmental issue. It is becoming a cost-of-living issue. While climate impacts like melting glaciers and shrinking polar ice can feel distant from everyday life, the financial effects are already showing up in monthly budgets across the country.
Today, a larger share of household income is consumed by fixed costs such as housing, insurance, utilities, and healthcare. (3) Climate change and climate inaction are adding pressure to many of those expenses through higher disaster recovery costs, rising energy demand, infrastructure repairs, and increased insurance risk.
The goal of this article is to help connect climate change to the everyday financial realities people already experience. Regardless of where someone stands on climate policy, it is important to recognize that climate change is already increasing costs for households, businesses, and taxpayers across the United States.
More conservative estimates indicate that the average household has experienced an increase of about $400 per year from observed climate change, while less conservative estimates suggest an increase of $900.(1) Those in more disaster-prone regions of the country face disproportionate costs, with some households experiencing climate-related costs averaging $1,300 per year.(1) Another study found that climate adaptation costs driven by climate change have already consumed over 3% of personal income in the U.S. since 2015.(9) By the end of the century, housing units could spend an additional $5,600 on adaptation costs.(1)
Whether we realize it or not, Americans are already paying for climate change through higher insurance premiums, energy costs, taxes, and infrastructure repairs. These growing expenses are often referred to as climate adaptation costs.
Without meaningful climate action, these costs are expected to continue rising. Choosing not to invest in climate action is also choosing to spend more on climate adaptation.
Here are a few ways climate change is already increasing the cost of living:
- Higher insurance costs from more frequent and severe storms
- Higher energy use during longer and hotter summers
- Higher electricity rates tied to storm recovery and grid upgrades
- Higher government spending and taxpayer-funded disaster recovery costs
The real debate is not whether climate change costs money. Americans are already paying for it. The question is where we want those costs to go. Should we invest more in climate action to help reduce future climate adaptation costs, or continue paying growing recovery and adaptation expenses in everyday life?
How Climate Change Is Increasing Insurance Costs
There is one industry that closely tracks the financial impact of natural disasters: insurance. Insurance companies are focused on assessing risk, estimating damages, and collecting enough revenue to cover losses and remain financially stable.
Comparing the 20-year periods 1980–1999 and 2000–2019, climate-related disasters increased 83% globally from 3,656 events to 6,681 events. The average time between billion-dollar disasters dropped from 82 days during the 1980s to 16 days during the last 10 years, and in 2025 the average time between disasters fell to just 10 days. (6)
According to the reinsurance firm Munich Re, total economic losses from natural disasters in 2024 exceeded $320 billion globally, nearly 40% higher than the decade-long annual average. Average annual inflation-adjusted costs more than quadrupled from $22.6 billion per year in the 1980s to $102 billion per year in the 2010s. Costs increased further to an average of $153.2 billion annually during 2020–2024, representing another 50% increase over the 2010s. (6)
In the United States, billion-dollar weather and climate disasters have also increased significantly. The average number of billion-dollar disasters per year has grown from roughly three annually during the 1980s to 19 annually over the last decade. In 2023 and 2024, the U.S. recorded 28 and 27 billion-dollar disasters respectively, both setting new records. (6)
The growing impact of climate change is one reason insurance costs continue to rise. “There are two things that drive insurance loss costs, which is the frequency of events and how much they cost,” said Robert Passmore, assistant vice president of personal lines at the Property Casualty Insurers Association of America. “So, as these events become more frequent, that’s definitely going to have an impact.” (8)
After adjusting for inflation, insurance costs have steadily increased over time. From 2000 to 2020, insurance costs consistently grew faster than the Consumer Price Index due to rising rebuilding costs and weather-related losses.(3) Between 2020 and 2023 alone, the average home insurance premium increased from $75 to $360 due to climate change impacts, with disaster-prone regions experiencing especially steep increases.(1) Since 2015, homeowners in some regions affected by more extreme weather have seen home insurance costs increased by nearly 57%.(1) Some insurers have also limited or stopped offering coverage in high-risk areas.(7)
For many families, rising insurance costs are no longer occasional financial burdens. They are becoming recurring monthly expenses tied directly to growing climate risk.
How Rising Temperatures Increase Household Energy Costs

The financial impacts of climate change extend beyond insurance. Rising temperatures are also changing how much energy Americans use and how utilities plan for future electricity demand.
Between 1950 and 2010, per capita electricity use increased 10-fold, though usage has flattened or slightly declined since 2012 due to more efficient appliances and LED lighting. (3) A significant share of increased energy demand comes from cooling needs associated with higher temperatures.
Over the last 20 years, the United States has experienced increasing Cooling Degree Days (CDD) and decreasing Heating Degree Days (HDD). Nearly all counties have become warmer over the past three decades, with some areas experiencing several hundred additional cooling degree days, equivalent to roughly one additional degree of warmth on most days. (1) This trend reflects a warming climate where air conditioning demand is increasing while heating demand generally declines. (4)
As temperatures continue rising, households are expected to spend more on cooling than they save on heating. The U.S. Energy Information Administration (EIA) projects that by 2050, national Heating Degree Days will be 11% lower while Cooling Degree Days will be 28% higher than 2021 levels. Cooling demand is projected to rise 2.5 times faster than heating demand declines. (5)
These projections come from energy and infrastructure experts planning for future electricity demand and grid capacity needs. Utilities and grid operators are already preparing for higher peak summer electricity loads caused by rising temperatures. (5)
Longer and hotter summers also affect how homes and buildings are designed. Buildings constructed for past climate conditions may require upgrades such as larger air conditioning systems, stronger insulation, and improved ventilation to remain comfortable and energy efficient in the future. (10)
For many households, this means higher monthly utility bills and potentially higher long-term home improvement costs as temperatures continue to rise.
How Climate Change Affects Electricity Rates
On an inflation-adjusted basis, average U.S. residential electricity rates are slightly lower today than they were 50 years ago. (2) However, climate-related damage to utility infrastructure is creating new upward pressure on electricity costs.
Electric utilities rely heavily on above-ground poles, wires, transformers, and substations that can be damaged by hurricanes, storms, floods, and wildfires. Repairing and upgrading this infrastructure often requires substantial investment.
As a result, utilities are increasing electricity rates in response to wildfire and hurricane events to fund infrastructure repairs and future mitigation efforts. (1) The average cumulative increase in per-household electricity expenditures due to climate-related price changes is approximately $30. (1)
While this increase may appear modest today, utility costs are expected to rise further as climate-related infrastructure damage becomes more frequent and severe.
How Climate Disasters Increase Government Spending and Taxes
Extreme weather events also damage public infrastructure, including roads, schools, bridges, airports, water systems, and emergency services infrastructure. Recovery and rebuilding costs are often funded through taxpayer dollars at the federal, state, and local levels.
The average annual government cost tied to climate-related disaster recovery is estimated at nearly $142 per household. (1) States that frequently experience hurricanes, wildfires, tornadoes, or flooding can face even higher public recovery costs.
These expenses affect taxpayers whether they personally experience a disaster or not. Climate-related recovery spending can increase pressure on public budgets, emergency management systems, and infrastructure funding nationwide.
Reducing Climate Costs Through Climate Action
While this article focuses on the growing financial costs associated with climate change, the issue is not only about money for many people. It is also about recognizing our environmental impact and taking responsibility for reducing it in order to help preserve a healthy planet for future generations.
While individuals alone cannot solve climate change, collective action can help reduce future climate adaptation costs over time.
For those interested in taking action, there are three important steps:
- Estimate your carbon footprint to better understand the emissions connected to your lifestyle and activities.
- Create a plan to gradually reduce emissions through energy efficiency, cleaner technologies, and more sustainable choices.
- Address remaining emissions by supporting verified carbon reduction projects through carbon credits.
Carbon credits are one of the most cost-effective tools available for climate action because they help fund projects that generate verified emission reductions at scale. Supporting global emission reduction efforts can help reduce the long-term impacts and costs associated with climate change.
Visit Terrapass to learn more about carbon footprints, carbon credits, and climate action solutions.
The post How Climate Change Is Raising the Cost of Living appeared first on Terrapass.
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