Experts worry about man making bigger inroads into the world's biggest tropical forest and reducing its power to counteract global warming.

The possibility of altering clouds in the world's atmosphere to counteract global warming has been cast in doubt by research led by Irish scientists.

It sounds like a drastic course of action: inject stuff high into Earth's atmosphere to reflect a little sunlight and help counteract global warming.

Motorists will have to accept some of the pain involved in counteracting global warming under proposals adopted by the European Commission.