Reuters: Japan, the world’s fifth-biggest greenhouse gas emitter, moved closer on Thursday to adopting a cap-and-trade system with mandatory emissions limits after a powerful business lobby softened its staunch opposition. Acquiescence from the Japan Business Federation, which has argued that quotas would be unfairly distributed and hurt growth, could allow Tokyo to push through a trading scheme as it seeks to become a global leader in tackling climate change. Currently, it relies on …