TechKnow - Extreme weather: Coincidence or climate change?

Extreme weather and climate events, such as heat waves, storms and droughts, have increased in recent decades, and they are becoming more frequent and more severe across the world.
"A lot of the research has shown that [weather is becoming more extreme]. As the globe starts to change, extremes may become the norm," Nicholas Metz, a professor of geoscience at Hobart and William Smith Colleges in Geneva, New York tells TechKnow.
But why has extreme weather increased in recent years? And what is the hidden cost of climate change and severe weather?
In this episode of TechKnow, we meet scientists in the US who are at the forefront of investigating extreme weather events and climate change. We also look at the growing field of attribution science which determines if wild weather is in fact, just that, or whether climate change is to blame.

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