Swiss Environment Minister Moritz Leuenberger says he is travelling with cautious optimism to the United Nations Climate Change Conference in Denmark.
The talks in the capital, Copenhagen, take place from December 7-18 and are considered key in sending a global message about reducing emissions of carbon dioxide (CO2).
The talks in the capital, Copenhagen, take place from December 7-18 and are considered key in sending a global message about reducing emissions of carbon dioxide (CO2).