The strange creatures of the deep ocean live in darkness all the time. They make their own light to find mates and to lure prey within reach.
Freshwater fisheries may disappear
Freshwater fisheries may disappear A researcher at the University of Alberta predicts
that factors such as climate warming, pollution and overfishing
could destroy Canada's freshwater fisheries within 50 years unless
measures are taken. Speaking at a conference on freshwater issues,
David Schindler said that increasing temperatures will cause
wetlands to disappear, disrupt fish migrations and promote the
invasion of non- native species to Canada's waterways. 17 MAY 2000
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