The United States is urging G7 countries to reduce their dependence on China for the supply of rare earths and do it faster, Reuters has reported, citing an unnamed senior U.S. official. “Urgency is the theme of the day. It's a very big undertaking. There's a lot of different angles, a lot of different countries involved and we really just need to move faster,” the official said. The G7 is meeting with government officials from Australia, India, South Korea, and Mexico, which together account for as much as 60% of global rare earth…