Dhaka, Sept. 24 -- After a quiet start to the season, Hurricane Fiona slammed into Puerto Rico and then battered the Dominican Republic, leaving more than 1.0 million people without running water or power.

By Saturday the storm had hit Canada's east coast, knocking out power to hundreds of thousands of homes and businesses, according to Reuters.

While scientists haven't yet determined whether climate change influenced Fiona's strength or behaviour, there's strong evidence that these devastating storms are getting worse.

Here's why.

IS CLIMATE CHANGE AFFECTING HURRICANES?

Yes, climate change is making hurricanes wetter, windier and altogether more intense. There is also evidence that it is causing storms to travel more slowly, meaning...