Nations debate ozone, global warming rules

Representatives of 190 countries are meeting in Montreal for talks aimed at combating global warm...  More »

Representatives of 190 countries are meeting in Montreal for talks aimed at combating global warming and restoring the ozone layer. The talks are part of a UN-sponsored conference marking last Sunday's 20th anniversary of the Montreal Protocol, an international treaty focused on protecting the ozone layer from damaging chemicals -- and one of the most successful international responses to global warming thus far. A news report, using file images, looks at the makings of an international deal, which participants say could be scuppered by a demand for cash by China. A voiced report.  « Less