Greens seek CM's intervention: In an attempt to create a wider support base for their 'critique' of the 220-MW naphtha-based Tannirbhavi power project in the context of the recent hike in power tariffs, some environmentalist and fishermen's organisations of Dakshina Kannada have begun to question the impact of the 'actual costs' on the economy of the 'actual costs' on the economy of the power to be generated by barge-mounted plant in addition to the 'hideen costs' that they have been hitherto focussing on.