* European energy firms look at EDF's Dunkirk port for capacity
* Some mature fields already suffering from lack of water
BRUSSELS, Sept 17 - Belgium could keep two of the country's oldest nuclear reactors running for up to 10 years longer than planned if other plants remain offline because of safety shutdowns, two sources close to government coalition talks said.
Sept 16 - Hurricane Edouard, the first major hurricane of the 2014 Atlantic hurricane season, is weakening and accelerating north-eastward, the U.S. National Hurricane Center (NHC) said on Tuesday.
(Corrects month to March from May in para 4, fixes reporting credit)
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