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FRONTIERS
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Frontiers explores new ideas in science, meeting the researchers whoÌýsee the world through fresh eyes and challenge existing theories - as well asÌýhearing fromÌýtheir critics. ManyÌýsuch developments create new ethical and moral questions and Frontiers is not afraid to consider these.
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| The Beluga Skysails 3 has been installed with a 160 square metre kite system to help save fuel. [Courtesy of Skysails] |
Shipping Emissions
Shipping has a reputation for being green – carrying vast quantities of goods around the world with a minimum of energy.
But that reputation is coming under ever closer scrutiny as the international fleet swells to meet the growing demands of international trade.
Indeed the CO2 emissions from shipping match those of Germany, itself one of the major greenhouse polluters in the world.
Of even more concern to some experts are the other pollutants put into the air – sulphur dioxide, nitrogen oxide and particulates – responsible, it’s recently been estimated, for 60,000 deaths worldwide every year, set to rise beyond 80,000 by 2012.
Technology journalist Gareth Mitchell meets the activists and engineers who hope to make shipping change course.
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