Help us cool planet

(AP Photo/Dita Alangkara)

Katrina Genuis, of Canada, displays a painting on her face which reads "Help us cool planet" while attending a rally outside the venue of the U.N. climate change conference in Nusa Dua, Bali island, Indonesia, Thursday, Dec. 6, 2007.

American negotiators at the climate conference came under mounting pressure Thursday to back mandatory caps on greenhouse gases, after Australia threw its support behind deep emission cuts and anti-global warming legislation passed a crucial test in the U.S. Senate.