The Amazon is burning at a rate not seen since we started keeping track. The smoke is reaching cities 2,000 miles away.
- The Amazon rainforest is burning at a record rate: The Brazilian Amazon has experienced more than 74,000 fires this year, whereas last year's total was around 40,000.
- About 10,000 of the 2019 fires have started in the last couple of weeks.
- On Monday, the collective smoke plume from the fires darkened the sky more than 2,000 miles away.
- Some of these fires were started by farmers and loggers who seek to use Amazonian for industrial or agricultural purposes.
- But once blazes start, hot temperatures and dry conditions due to climate change enable the flames to spread farther and faster.
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The "lungs of the planet" are burning.
As thousands of fiery infernos rage across the Amazon rainforest, tropical vegetation, trees, and the fauna they house are being razed. Since August 15, more than 9,500 new forest fires have started across Brazil, primarily in the Amazon basin.
This year so far, scientists have recorded more than 74,000 fires in Brazil. That's nearly double 2018's total of about 40,000 fires. The current surge marks an 83% increase in wildfires over the same period of 2018, Brazil's National Institute for Space Research reported. The largest state in Brazil, Amazonas, declared a state of emergency on Monday.
Already, 2019 has the highest number of fires observed in a single year since researchers began keeping track in 2013 - and there are still four months to go.
'The sky randomly turned dark'
As the world's largest rainforest, the Amazon plays a crucial role in keeping our planet's carbon-dioxide levels in check. Plants and trees take in carbon dioxide and release oxygen back into the air in their process of photosynthesis. This is why the Amazon, which covers 2.1 million square miles, is often referred to as the "lungs of the planet": The forest produces 20% of the oxygen in our planet's atmosphere.
Typically, the Amazonian dry season runs from July to October, peaking in late September. Wetter weather during the rest of the year minimizes the risk of fires at other times. But during the dry season, blazes can spark from natural sources, like lightning strikes. Farmers and loggers also purposefully set fire to the rainforest to clear swaths of the Amazon for industrial or agricultural use.
The fires raging in the Amazon now have widespread impacts on the rest of Brazil. The smoke plumes from the blazes spread from the state of Amazonas to the nearby states of Pará and Mato Grosso, and even blotted out the sun in São Paolo - a city more than 2,000 miles away.
On Monday, people in São Paolo reported on social media that the sky had gone dark between 3 and 4 p.m. local time.
In total, the blazes have created a layer of smoke estimated to be 1.2 million square miles wide. This image from the European Union's Copernicus Satellite shows the smoke slicing north to south through Brazil like a knife.
'Setting the Amazon aflame'
This week of fires comes on the heels of another worrisome milestone for the world's largest rainforest. The month of July set a new record for the most deforestation ever in the Amazon in a single month, The Guardian reported. The Amazon shrunk by 519 square miles (1,345 square kilometers). That's more than twice the area of Tokyo.
Data from Brazilian satellites indicated that about three football fields' worth of Amazonian trees fell every minute last month. The total deforested area in July 2019 was up 39% from July of last year.
The deforestation is directly linked to fires in the Amazon, since farmers sometimes set the forest ablaze to make room for livestock pastures and crop fields. These purposeful burns can then get out of control.
Brazil controls a lion's share of the Amazon. However, its president, Jair Bolsonaro, has indicated that protecting the rainforest is not one of his top priorities - Bolsonaro supports development projects like a highway and hydroelectric dam in the Amazon.
His administration has also cut down on the seizing of illegally harvested timber. In 2018 (under the previous administration), 883,000 cubic feet of illegal timber was seized. As of May 15, Bolsonaro's government agencies had only seized 1,410 cubic feet, Pacific Standard reported.
What's more, between January and May of this year, Bolsonaro's government lowered the number of fines it levied for illegal deforestation and mining (down 34% from the same period in 2018) and decreased its monitoring of illegal activity in the rainforest.
On Tuesday, when Reuters reporters asked Bolsonaro about the record rate of uncontrolled fires in Brazil, he pointed to the fact that it's a time of year when farmers purposefully use fire to clear land - a seasonal cycle called "queimada."
"I used to be called Captain Chainsaw. Now I am Nero, setting the Amazon aflame," Bolsonaro said. "But it is the season of the queimada."
Warmer, drier conditions make it easier for flames to spread
Warmer conditions due to climate change can allow blazes that crop up during the dry season to grow bigger than they otherwise might have. Global warming also increases the likelihood and frequency of wildfires around the world.
Hot and dry conditions in the Northern Hemisphere are a consequence of this unprecedented warming. That's because warming leads winter snow cover to melt earlier, and hotter air sucks away the moisture from trees and soil. Decreased rainfall also makes for parched forests that are prone to burning.
Combined, that has created ideal conditions for wildfires in Brazil and elsewhere around the world.
Just a little alert to the world: the sky randomly turned dark today in São Paulo, and meteorologists believe it's smoke from the fires burning *thousands* of kilometers away, in Rondônia or Paraguay. Imagine how much has to be burning to create that much smoke(!). SOS pic.twitter.com/P1DrCzQO6x- Shannon Sims (@shannongsims) August 20, 2019
The Amazon rainforest has been on fire for weeks, and it's so bad it's literally blotting out the sun miles away https://t.co/oDjcECJVgp- Robert Maguire (@RobertMaguire_) August 20, 2019
From the other side of Earth, here's the latest on the Amazonia fires- WMO OMM (@WMO) August 20, 2019
Produced by @CopernicusEU's atmosphere monitoring service, it shows the smoke reaching the Atlantic coast and São Paulo
DATA HERE▶️https://t.co/Q6qzFdPfIT pic.twitter.com/aJKU2YwRpJ
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