The operator of the nation's largest electricity grid, PJM Interconnection, is holding a technical conference in Philadelphia today. Not normally a hot ticket, it's drawing  a large group of bipartisan lawmakers and regulators from member states as they focus in on growing concern about rising power prices and reliability. Meeting AI power demand, and its effect on the grid, will be front and center.

And in the race to discover and develop the world's mineral resources, China is bringing a remarkable tool to bare.

In the mountains of central China, a colossal antenna system five times the size of New York City is broadcasting signals deep into the earth. Originally developed for submarine communication, China has repurposed the antenna to be the leading edge of its effort to use electromagnetic exploration in the race for critical minerals.

And a newly ratified treaty to protect life at sea is expected to catalyze opposition to deep-sea mining. The High Seas treaty will become international law in January after it reached a threshold on Friday of more than 60 ratifications.

The treaty emphasizes the need for a precautionary approach to human activities on the seabed. The agreement also aims to create protected areas covering almost a third of the world's seas outside of national boundaries. The US has signed but not ratified the treaty.