paris, france, climate change, global warming, poor countries, conference, 2015, economies, world, science, je suis, un, united nations, cooperation, agreement, europe, emissions, green, energy, environment
CLIMATE CHANGE CONFERENCE
paris, france, climate change, global warming, poor countries, conference, 2015, economies, world, science, je suis, un, united nations, cooperation, agreement, europe, emissions, green, energy, environment