What does an Argentine mega-project say about China’s interest in investing in solar globally? n the northern Argentine province of Jujuy, at a dizzying 4,000 metres above sea level, red and blue banners inscribed with Chinese characters flap outside a temporary office perched on a barren desert. This is Cauchari, the site of Latin America’s largest solar plant. Chinese technology and finance have enabled the project, which is part of Argentina’s plan to boost renewable energy generation. With Argentina…