World leaders of the top 20 economies are expected to discuss climate change during talks on the global economic downturn next month in London.

VOA: standard.2009.03.12

Yvo de Boer,the U.N.'s top climate change official, told delegates there was still time to break deadlocks, but he said countries that could be more ambitious should act now.

VOA: standard.2009.09.28

Most of the data comes from the industrialized world. Not surprisingly, burning fossil fuels for transportation and electrical generation top the list for their contributions to climate change, acid rain and toxic pollution.

VOA: standard.2010.06.04