Each year, billions upon billions of tons of CO2 are pumped into the atmosphere. A significant proportion of this ends up in Earth’s oceans, where it can react with water to form carbonic acid, which ...

Sunlight makes microplastics leak hidden chemicals into water, creating pollution that spreads far beyond plastic pieces.

The reaction, however, comes with a sort of Catch-22: While aluminum can generate hydrogen when it mixes with water, it can only do so in a pure, exposed state. The instant aluminum meets with oxygen, ...