From the New York Times, I'm Sabrina Tevernici, and this is The Daily.

The wildfires that have swept Canada this summer have become the largest in modern history.

The scale has forced an international response, and a re-evaluation of how the world manages

wildfires.

Today, we talk to firefighters on the front lines about the enormity of their challenge.

And, to climate columnists, David Wallace Wells, about how, thanks to climate change,

the very nature of the danger from wildfires is shifting.

It's Friday, August 4.

My name is Ben Oakley, I'm 43 years old.

I'm the system-based manager with the Boise-Beelem smoke chumpers.

I've been in wildfires since 2000.

My name's Cole Wheelan.

I'm 32, and I live in Boise, Idaho.

I'm a senior smoke jumper for Boise, Bureau of Land Management.

So, we're an initial attack resource that responds to usually remote lightning fires

by airplane and parachute.

My name's Ashmara.

I'm a fly aviation specialist with the New South of Oslo, Flaw Service Vice here in Sydney.

So, I'm Jake Meary.

I work with the Alaska Smoke Chumpers.

I'm 31 years old.

I started fire when I was 19, right out of high school.

...