Why has it been so cold? Is this unusual? Is the polar vortex to blame? And how can it be this cold if there’s global warming? Here are the answers to your questions. Continue reading
As powerful storms wreak havoc across the globe, we keep hearing about the important of 2-degrees—a threshold set by many policymakers in the discussion of global warming. Continue reading
Natural disasters can cause vast devastation but can there be a silver lining for some species? Maddie Moate investigates whether natural disasters can ever be beneficial for nature. Continue reading
What are hurricanes?Hurricanes are part of a family of storms called tropical cyclones – storms that rotate rapidly around a low-pressure centre and produce heavy rain and strong winds. If one of these storms hits a sustained top wind speed of 119 kilometres an hour and appears in the Atlantic or eastern North Pacific, it qualifies as a hurricane. (Similar storms in the western North Pacific are called typhoons.) The Saffir-Simpson hurricane wind scale goes up from there, through to Category 5, which has no ceiling and represents storms with wind speeds greater than 252 km/h. Anything from Category 3 and up is a “major” hurricane.
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Every year tornadoes rip through the U.S. Midwest, leaving death, injury and billions of dollars of damage in their wake. Where do these twisters come from, and just how nasty can they get? Continue reading