Norway and the U.K. are the big oil producers in the North Sea.
Exploitative fishing can alter the genetics of local stocks by selecting out big ones - in the North Sea, for example, cod are reaching maturity earlier and at smaller size as a result.
But they do agree that, today, there are fewer big fish in the sea.
The poll by Stanford University released Thursday found that only 1 in 3 people favored the government spending millions to construct big sea walls, replenish beaches or pay people to leave the coast.
By feeding into his model both some recent science on the increased risks of dramatic climate change, and the possibility of such catastrophes as a rise in sea level big enough to flood London and New York, he calculates that the range of possible outcomes lies somewhere between 5% and 20% of global output over the next century or two.
Lines in the sea, once drawn by big powers, are now subject to reasoned debate.
The Brits went over to gas-fired power stations about 10, 15 years ago in a big way, gas from the North Sea, natural gas.
That is why the results of three German expeditions by the vessel Polarstern to the Weddell Sea, published in the current issue of Nature, are a big step forward.
The only big offshore Arctic production site is the Snohvit gas field in the Norwegian Barents Sea, opened by Statoil in 2007.
But Hoyer says the EIB is also investing in big projects in stronger economies, such as wind farms in the North Sea, because it's important for the institution in maintaining its AAA rating.
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The Kremlin has made a big deal of its plans to explore in the icy reaches of the Kara Sea with ExxonMobil and the Barents Sea with Statoil.
The Big Sea Survey was launched in 2010 by Newcastle University to record flora and fauna along a 150-mile stretch of coastline from St Abbs to Saltburn.
Fishing used to be big business on the Aral Sea in Kazakhstan.
The big uncertainty in Talisman's third quarter results comes from the Yme platform in the Norwegian North Sea, which was evacuated in July for safety reasons.
Opening up big new fields on the northern Yamal peninsula and in the Barents Sea will be costly.
Geography is one advantage: rough seas and big tides make the British isles one of the best places in the world for sea power.
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But when 'Sea Bass' is in one of those rampaging moods, it seems no disgrace if the big Frenchman happens to get past, as he did to Moody with one charge down the wing for a try just after half-time.
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