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Explained: The Relationship Between Climate Change and Wildfires

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The relationship between climate change and wildfires explained

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How Climate Change is Influencing Wildfires

Each year, thousands of wildfires burn through millions of acres of land around the world.

We’ve already seen the mass devastation that wildfires can bring, especially in places like Australia, Serbia, and California. But new research by the UN indicates that things might get even worse by the end of the century. By 2100, the frequency of wildfires could increase by up to 50%.

What’s causing this influx of wildfires around the world? Below, we dig into how climate change is impacting wildfires—and how in turn, wildfires are impacting climate change.

Climate Conditions That Support Wildfires

Before diving in, it’s worth going over the basics of wildfires, and how they get started in the first place. An area’s vulnerability to wildfires, also known as its fire regime, depends on three major conditions: its atmosphere, vegetation, and ignitions.

① Atmosphere

Atmosphere plays a big part in how sensitive an area is to wildfires. For instance, wind can increase oxygen supply in an area, which would help fuel a wildfire, and may even transfer embers to new locations.

② Vegetation

Vegetation is also a huge factor in whether or not an area is vulnerable to wildfires. A region with drier vegetation may catch fire more easily, and an area with more forest or shrubs provides more fuel for potential blazes.

③ Ignitions

An area that’s close to volcanic activity, or prone to lightning storms may be more susceptible to wildfires. However, human activity like campfires or faulty equipment can also trigger fires, so popular areas for camping or logging may be at higher risk as well.

While these conditions vary depending on the location, in general, fire regimes are being impacted by climate change, which is causing an influx in the duration and intensity of wildfires around the world.

The Fire Climate Feedback Loop

Since the 1850s, global surface temperatures have risen by about 1.0°C (1.8°F).

These increased surface temperatures have had far-reaching impacts on our climate—in the Northern Hemisphere, warmer temperatures have led to less snow, earlier arrival of spring, and ultimately longer, drier fire seasons.

These longer fire seasons have led to an influx of wildfires. But here’s the kicker—wildfires emit tons of carbon. In 2021, wildfires around the world emitted an estimated 1.76 billion tonnes of carbon into the atmosphere, which for context, is more than double the annual emissions from the entire country of Germany.

This carbon gets trapped in our atmosphere and contributes to rising surface temperatures. In other words, more carbon creates more wildfires—and more wildfires create more carbon.

Extreme Weather Events Are Rising In General

It’s not just wildfires that are growing in frequency and intensity because of climate change—droughts, heatwaves, and floods are also becoming more common around the world.

This year, temperatures reached all-time highs across Europe, which wrecked havoc across the continent, impacted infrastructure, and even took lives.

Experts warn that this may become the new normal. To help mitigate risk, governments, policymakers, and companies need to band together to create safeguards and establish proper preventative measures.

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Ranked: Electric Vehicle Sales by Model in 2023

Today, electric vehicle sales make up 18% of global vehicle sales. Here are the leading models by sales as of August 2023.

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The Highest Electric Vehicle Sales, by Model

Ranked: Electric Vehicle Sales by Model in 2023

Electric vehicle (EV) sales are gaining momentum, reaching 18% of global vehicle sales in 2023.

As new competitors bring more affordable options and new performance features, the market continues to mature as customers increasingly look to electric options.

This graphic ranks the top-selling EVs worldwide as of August 2023, based on data from CleanTechnica.

The Best Selling EVs in 2023 (Through August)

Below, we show the world’s best selling fully electric vehicles from January to August 2023:

ModelCountryVehicles Sold
(Jan-Aug 2023)
Tesla Model Y🇺🇸 U.S.772,364
Tesla Model 3🇺🇸 U.S.364,403
BYD Atto 3 / Yuan Plus🇨🇳 China265,688
BYD Dolphin🇨🇳 China222,825
GAC Aion S🇨🇳 China160,693
Wuling HongGuang Mini EV🇨🇳 China153,399
GAC Aion Y🇨🇳 China136,619
VW ID.4🇩🇪 Germany120,154
BYD Seagull🇨🇳 China95,202

As we can see, Tesla‘s Model Y still holds a comfortable lead over the competition with 772,364 units sold. That’s more than double the sales of the #2 top selling vehicle, Tesla’s Model 3 (364,403)

But it’s hard to ignore the rising prevalence of Chinese EVs. The next five best selling EV vehicles are Chinese, including three from BYD. The automaker’s Atto 3 (or Yuan Plus, depending on market), is being sold in various countries including Germany, the UK, Japan, and India.

Meanwhile, Chinese automaker GAC Group also had two models of its Aion EV brand make the rankings, with the Aion S selling 160,693 units so far.

Regional market strength is also clear. For Volkswagen’s ID.4 model (120,154 units sold), Europe and China account for the majority of sales.

Given growing cost efficiencies and changing consumer behavior, global EV sales are projected to make up half of new car sales globally by 2035, according to forecasts from Goldman Sachs.

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