National Geographic Daily News Emissions from a coal-fired power
plant in Dadong, Shanxi province, China Emissions from a coal-
fired power plant in Dadong, Shanxi province, China, fill the
air on December 3, 2009. Nearly 80 percent of greenhouse gas
emissions come from industrial activities including power
generation, waste management, transport, and building
operations, while 20 percent come from deforestation, according
to the UN Framework Convention on Climate Change.  Photograph by
AP/Andy Wong  Christine Dell'Amore  National Geographic News
Published December 7, 2009  Starting Monday all eyes will be on
Copenhagen, Denmark, where world leaders and climate experts
will meet at the ten-day UN Climate Change Conference. Their
goal: to hash out a new game plan for tackling global warming.
With more than 85 world leaders expected, the Copenhagen climate
conference could be the most important world summit since the
end of World War II, according to the International Institute
for Environment and Development,