A committee of MPs has called for a moratorium on shale gas fracking on the grounds that it could derail efforts to tackle climate change.

President Barack Obama is to propose setting aside the majority of Alaska's national wildlife refuge as a wilderness area.

Extreme weather arising from a climate phenomenon in the Pacific Ocean will get much worse as the world warms, according to climate modelling.

New high-speed video footage suggests that the classic chemistry explosion of an alkali metal in water is driven by positive charges repelling each other.

MPs overwhelmingly reject a bid to suspend fracking for shale gas - but agree to Labour proposals to impose new conditions.