http://blogs.ei.columbia.edu/2012/02/27/putting-wind-in-trades-sails/ Tapping experts in climate, geology, oceanography, ecology, sustainable development, global health, energy, food and water, State of the Planet captures stories of how the Earth works and how we can sustainably make our lives better. Fri, 24 May 2013 17:52:04 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://blogs.ei.columbia.edu/2012/02/27/putting-wind-in-trades-sails/comment-page-1/#comment-44113 Mike from power generators Tue, 28 Feb 2012 14:02:52 +0000 http://blogs.ei.columbia.edu/?p=22340#comment-44113 If large cargo ships became subjected to the same environmental regulations as other vehicles and their engines underwent upgrades so that they no longer burned heavy bunker oil and emitted dangerous toxins, that in itself would be a major step. Because from what I understand from the article it is not so much the quantity (a mere 4%) as the quality of the emissions coming out of the shipping industry.

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