China International Business: Early next month — on March 12 to be precise — millions of Chinese people will head out to the countryside to plant trees. This has been happening every year for the last 30 years, with 500 million volunteers participating in National Tree Planting Day in 2007, planting over 2.27 billion trees between them according to official statistics. This is one small part of China’s continual battle against its increasingly arid landscape. Yet, despite these people’s best interests — and the …