The United Nations' annual climate conference continues Wednesday with brief speeches by nations big and small.

"From one addict to another, it might be time read some labels, do some research and maybe even lay off for a couple weeks." ...

The reduced visibility in some parts prompted a warning from airport authorities that flights may be affected.

With a gradual decrease in day and night temperatures, citizens have started feeling the pinch of winter for the last couple ...

Even as Earth sets new heat records, humanity this year is pumping 330 million tons (300 million metric tons) more carbon ...