Paris (AFP) May 6, 2008
In 2005, Hurricane Katrina laid waste to parts of the US Gulf Coast.
Last year, the Arabian peninsula was hit by a super-cyclone, Gonu.
Now, an unusual early-season storm, Nargis, has slammed into Myanmar, brutally changing gear from a Category One to a Category Four cyclone just before it made landfall.
Are these events -- massively costly in lives and treasure -- all linked?
Could they be part of an alarming trend of weird, more powerful storms stoked by global warming?
That's a question that causes fierce jousting among climate scientists.
Experts agree that a single weather event cannot be pinned to climate change, which is part of a long-term pattern spanning decades or centuries.
"It's impossible to say," Adam Lea of the Benfield UCL Hazard Research Centre at University College London told AFP.
"It's only in the long term that you get
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