KoBold is using artificial intelligence to scour the earth for copper, lithium, nickel, and cobalt. The company says that machine learning allows it to collect and analyze more sophisticated data about deposits than conventional exploration methods. It attained a valuation of more than $1 billion in 2023 and is currently looking to raise funds at a valuation of at least $2 billion. The company has more than 60 exploration projects in North America, Africa, and Australia.