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From KQED. You're listening to Forum. I mean a Kim 2020 brought historic wildfires to California and the West Coast and a record-breaking Atlantic hurricane season on top of the pandemic. And now we know it was the hottest year ever. As climate reports released this month confirm, it virtually tied with 2016 for the warmest year on record.

Joining me now is Dr. Zeke Housefather, Director of Climate and Energy at the Breakthrough Institute

and a research scientist at Berkeley Earth.

Zeke Housefather, thanks so much for joining us.

It's great to be here.

So, I mean, 2020, tied with 2016 as the hottest year on record, also making the hottest

years recorded all occurring in the last seven years or so.

I mean, first, what are the key things to understand about what happened in 2020?

So 2020 was remarkable across many aspects of the Earth's climate. And as you mentioned,

it tied with 2016 as the warmest year on record. But why that's in some ways surprising is that

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