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The wandering grey whale that bewildered scientists after appearing off the coast of Israel last month is now paying a visit to northeastern Spain.The sighting near Barcelona Harbour means the whale, believed to be one that would normally swim past Vancouver Island, travelled about 3,000 kilometres since it was last spotted 23 days earlier.

Although scientists have not been able to positively identify where the 12-metre whale came from, the most likely scenario is that it's part of the population that would normally swim past Vancouver Island, migrating from birthing lagoons in Mexico to the Bering Sea, and that it swam through the Northwest Passage in an increasingly ice-free Arctic.

There is speculation the whale was following food -- some observers say there are signs populations are dropping, possibly because warming waters mean less food. The tiny marine life they thrive on needs cooler temperatures to survive.

Today, you can literally taste climate change.

Spain and Portugal are already suffering the impact of global warming to the point where winegrowers either cannot grow their classic grape varietals because they shrivel in the intense heat, or they have had to invest millions of euros to move their vineyards to higher ground where the vines can enjoy the air conditioning provided by the cool currents wafting through hills and mountainsides. Winegrowers testified that they cannot control the sugars in their grapes and are making wines that don't come close to expressing true varietal character (the typical taste profiles of Syrah or Chardonnay, for example), much less a sense of place, the terroir of the vine.