As the world shifts toward green alternatives like electric vehicles and solar power, demand for metals needed for batteries has skyrocketed. WSJ’s Yusuf Khan explains mining companies are turning to a new source for metals like cobalt and manganese: the ocean floor.

Further Reading:

• Deep-Sea Mining Is Close to Reality Despite Environmental Concerns 

• TMC Gets Approval for Pilot Deep-Sea Mining Project 

• Environmental Investing Frenzy Stretches Meaning of ‘Green’ 

Further Listening:

• Environmental Investing Frenzy Stretches Meaning of 'Green' 

• Electric Cars Need Lithium. Can Chile Provide It? 

• How One Company Rode the Electric Vehicle Boom to Success 

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