Scripps Oceanography scientists calculated a May monthly average of 430.2 ppm for 2025, an increase of 3.5 ppm over May ...

Since carbon dioxide is a greenhouse gas, the steady increase has significant implications for global warming.

Scientists have uncovered new evidence to suggest that Earth is leaking gases from deep inside its mantle - even in regions ...

For many years the U.S. stalled and stalled about cleaning up serious air pollution in places like Pittsburgh, Detroit and ...