It’s rare for television news to cover climate change science and its effects, so make sure you watch the clip from this week’s NBC Nightly News that digs into how an atmosphere pumped up on fossil-fuel “steroids” is causing extreme weather.

In the clip, Dr. Gerald Meehl, senior scientist at the National Center for Atmospheric Research, compares greenhouse gases to steroids that impact weather patterns, and Richard Muller, a Koch Brothers-funded scientist (and former global warming skeptic), calls global warming “beyond dispute.”

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It's rare for television news to cover climate change science and its effects, so make sure you watch the clip from this week's NBC Nightly News that digs into how an atmosphere pumped up on fossil-fuel “steroids” is causing extreme weather.