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24th April 2019

Mining for clean tech will place huge strain on environment

A new report by nonprofit organisation Earthworks highlights the impact of a clean technology boom on mineral demand.

 

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Earthworks has published a new report detailing projected minerals demand to build the electric vehicles, solar arrays, wind turbines and other renewable energy infrastructure necessary to meet the goals of the Paris Climate Agreement and avert the most disastrous impacts of climate change. The research, conducted by the University of Technology Sydney’s Institute for Sustainable Futures (ISF), shows that as demand for these minerals skyrockets, the already significant environmental and human impacts of hardrock mining are likely to rise steeply as well. This shows the need for a broad shift in the clean technology sector towards more responsible minerals sourcing.

“We have an opportunity, if we act now, to ensure that our emerging clean energy economy is truly clean – as well as just and equitable – and not dependent on dirty mining,” said Payal Sampat, director of Earthworks’ Mining Program. “As we scale up clean energy technologies in pursuit of our necessarily ambitious climate goals, we must protect community health, water, human rights and the environment.”

Highlights of the report include:

• Under a 100% renewable energy scenario, metal requirements could rise dramatically, requiring major new primary and recycled sources.

• Clean technologies rely on a variety of metals and minerals. A total of 14 were analysed in the report. Within a few decades, demand for cobalt could increase by as much as 423%, followed by lithium (280%) and nickel (136%).

• Batteries for electric vehicles are the most significant driver of accelerated minerals demand.

• Recycled sources can significantly reduce primary demand, but new mining is likely to take place and new mining developments linked to renewable energy are already underway.

• "Responsible sourcing" is needed when supply cannot be met by recycled sources.

 

lepidolite
Lepidolite, a major lithium-bearing mineral. Credit: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0 [CC BY-SA 3.0]

 

Earthworks commissioned the research as part of its newly-launched "Making Clean Energy Clean, Just & Equitable" project, which aims to ensure that the transition to renewable energy is powered by responsibly and equitably sourced minerals, minimising dependence on new extraction and moving the mining industry toward more sustainable practices.

"The responsible materials transition will need to be scaled up just as ambitiously as the 100% renewable energy transition," said Dr. Sven Teske, Director of Research at the UTS Institute for Sustainable Futures.

Doing so will require a concerted commitment from businesses and governments to dramatically scale up the use of recycling, use materials more efficiently and ensure mining operations adhere to stringent environmental and human rights standards.

 

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Electronics recycling facility.

 

"The renewable energy transition can only be sustainable if it ensures human rights for the communities where the mining to supply renewable energy and battery technologies takes place," said Elsa Dominish, Senior Research Consultant at the UTS Institute for Sustainable Futures. "If manufacturers commit to responsible sourcing, this will encourage more mines to engage in responsible practices and certification. There is also an urgent need to invest in recycling and reuse schemes to ensure the valuable metals used in these technologies are recovered, so only what is necessary is mined."

Minerals extraction already exacts significant costs on people and the environment – fuelling conflict and human rights violations, massive water pollution and wildlife and forest destruction. The majority of the world's cobalt, used in rechargeable batteries for electric vehicles and cellphones, is mined in the Democratic Republic of Congo, often by hand in unsafe conditions using child labour.

 

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A child miner in Eastern Congo. Credit: Earthworks / Enough Project

 

Earlier this year in Brazil, the collapse of two tailings dams at Vale's Brumadinho iron ore mine killed hundreds of workers and local residents. Independent research that analyses decades of data on mine waste dam failures reveals that these catastrophic incidents are occurring more frequently and are predicted to continue to increase in frequency.

"In Norway, the government tell us we have to sacrifice our fjords to mine copper for clean energy," said Silje Karine Muotka, a member of the indigenous Sámi Parliament, which is fighting a mine proposal in their traditional reindeer herding grounds. "I recognise that we need materials for new technologies, but we should look for ways to get them that do not harm the environment or threaten native culture."

"Solar and wind production is growing rapidly, while the cost of clean energy technologies has continued to fall," said Danny Kennedy, Managing Director at the California Clean Energy Fund. "If the clean tech revolution has taught us anything, it is that humanity possesses boundless capacity for innovation. Our task is to establish the parameters within which innovators can innovate to ensure that clean energy is truly clean."

 

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