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Illustration: Aïda Amer/Axios

Expanded mining for materials used in renewable power technologies and electric cars could harm vulnerable species and ecosystems absent better planning, according to a peer-reviewed paper in Nature Communications.

Why it matters: The tech needed to fight one threat to biodiversity — climate change — can create other big risks unless policymakers act "urgently" on the matter, the researchers found.

  • It's not a far-off threat either. A new Financial Times feature explores how increased mining in Indonesia for nickel, an electric vehicle battery component, will create more marine waste.

How it works: They looked at tens of thousands of "pre-operational, operational, and closed" mining sites for dozens of materials, many of which target supplies needed for clean energy applications.

  • It then draws a 50-kilometer radius around them to assess their "spatial coincidence with biodiversity conservation sites and priorities."
  • They find that mining "potentially influences" almost 50 million square kilometers.
  • 8% of that overlaps with "protected areas," 7% with "key biodiversity areas," and 16% with "remaining wilderness."

Yes, but: Simon Evans of the climate news and analysis site Carbon Brief cautions via Twitter that the analysis assumes an extremely wide potential impact radius (again, 50 kilometers) around mining sites.

  • "[O]f course it's possible to think of potential impacts that can extend a long way, but as a default for all mines I don't think it is that meaningful," Evans tweeted.

The big picture: Greatly expanding climate-friendly energy and transport means much higher demand for materials like lithium, copper, cobalt and more.

  • As the International Energy Agency puts it, rising deployment is set to "supercharge demand for critical minerals."
  • The paper's authors, writing in The Conversation, cite World Bank estimates that demand for a suite of critical materials could grow by 500% by 2050.

The bottom line: "Careful strategic planning is urgently required to ensure that mining threats to biodiversity caused by renewable energy production do not surpass the threats averted by climate change mitigation and any effort to slow fossil fuel extraction and use," the paper concludes.

  • Lead author Laura Sonter of the University of Queensland in Australia tells the Guardian that the "good news" is “many of the required materials also exist outside areas important for conservation.”

Go deeper

Elliott Broidy says Twitter should take action on other hack and leak stories

Illustration: Sarah Grillo/Axios

Elliott Broidy, a top Republican fundraiser expected to plead guilty in a foreign lobbying case, is challenging Twitter over its handling of content related to "hacked materials."

What's happening: Broidy wants Twitter to explain why information from hacked and leaked materials about his case was allowed to remain on the site, while Twitter took swift action to suppress a New York Post story about Hunter Biden allegedly based on hacked and released materials, according to a letter obtained by Axios.

The massive early vote

Illustration: Sarah Grillo/Axios

Early voting in the 2020 election across the U.S. on Friday had already reached 61.7% of 2016's total turnout, according to state data compiled by the U.S. Elections Project.

Why it matters: The coronavirus pandemic and its resultant social-distancing measures prompted a massive uptick in both mail-in ballots and early voting nationwide, setting up an unprecedented and potentially tumultuous count in the hours and days after the polls close on Nov. 3.