Canadian wildfires

News:

Canada possibly experiencing its worst ever wildfire season.

Highlights:

• Massive wildfires have already burnt through 3.3 million hectares of land in Canada.

Significance:

• Canada has declared ‘national preparedness level 5’ i.e. all the resources are being deployed to fight the fires.
• New York has surpassed New Delhi as the most polluted city in the world.

Why:

Reasons for the unprecedented intensity of the ongoing