Ships trancefer made 6% CO2 emission, so do we use more domestic foods, goods or other way?

Ships trancefer made 6% CO2 emission, so do we use more domestic foods, goods or other way? Badman Nishioka/rainforest action group/NGO
https://www.theguardian.com/sustainable-business/2016/aug/16/shipping-emissions-low-carbon-wind-power-climate-change?utm_source=Daily+Carbon+Briefing&utm_campaign=39b5fae811-cb_daily&utm_medium=email&utm_term=0_876aab4fd7-39b5fae811-303459165