Ten recent climate-fueled disasters photo Scientific American
Weather and Climate

Ten recent climate-fueled disasters

Oct 5, 2021, 5:09 AM
Rose De La Cruz

Rose De La Cruz

Columnist

EXPERTS are one in saying that man-made climate change is wreaking havoc on the world’s weather—from a summer of fire and record floods, to freak frosts and locust invasions. The AFP named 10 most devastating climate-fueled disasters from the past two years.

1. Mediterranean on fire

Greece's worst heatwave in decades fueled deadly wildfires that burned nearly 100,000 hectares (250,000 acres) this year in what the prime minister called the country's "greatest ecological disaster in decades."

The summer blazes killed about 80 people in Algeria and Turkey, with Italy and Spain also ravaged by uncontrolled fire.

Scientists say the Mediterranean rim is a climate change "hot spot" with worse to come.

2. Canada 'heat dome'

In late June, a hot air "heat dome" caused sustained, scorching temperatures across much of western Canada and the northwestern US.

Residents in the British Columbia city of Lytton saw the thermometer rise on June 30 to 49.6 degrees Celsius (121 degrees Fahrenheit), a national record. Days later, the town was largely destroyed by a wildfire.

The extreme heat was "virtually impossible" without human-caused climate change, the World Weather Attribution (WWA) science consortium said.

3. European towns washed away

Germany's worst flooding in living memory killed 165 people in July after heavy rainfall battered the country along with Switzerland, Luxembourg, the Netherlands, Austria and Belgium, where another 31 people died.

The WWA said a warming climate increased the likelihood of the extreme two-day rainfall behind the floods by about 20 percent.

For every degree that Earth warms, the atmosphere can hold about seven percent more moisture, scientist say.

4. Drowning on the subway in China

July floods in China killed more than 300 people when the central city of Zhengzhou was deluged by a year's worth of rain in just three days, trapping people in road tunnels and subway systems as waters rose, with some drowning.

5. Fleeing flooding in Australia

In March 2021 torrential downpours lashed Australia's east forcing thousands to flee the worst flooding in decades -- only one year after the region suffered extreme drought and bushfires.

Days of relentless rainfall caused rivers in Australia's most populous state to their highest levels in three decades.

Scientists have warned Australia can expect more frequent and more extreme weather events because of climate change.

6. Devastating frosts in France

This Spring saw a late frost ravage French vineyards when plummeting temperatures wiped out nearly a third of the country's grape harvests, causing up to two billion euros ($2.3 billion) in damages.

The WWA's analysis said climate change made the historic cold snap -- which devastated most of France's wine regions -- about 70 percent more likely.

7. Hurricane Ida's path of destruction

In late August, Hurricane Ida cut a swathe of death and destruction from Louisiana all the way across the northeastern US, leaving more than 100 dead and causing around $100 billion in damage.

Four of the six costliest hurricanes to hit the US, including Ida, have all occurred within the last five years, according to the US National Oceanic and Atmospheric Administration.

8. East Africa locust invasion

Experts blame climate-addled extreme weather -- including extreme rainfall -- for hatching billions of locusts that swarmed East Africa in January of 2020, threatening the region with a food crisis.

Already prey to successive drought and deadly floods, dense clouds of the insects spread from Ethiopia and Somalia into Kenya.

9. Preceded by deadly floods

Violent downpours in October 2019 displaced tens of thousands in Somalia, submerged whole towns in South Sudan, and killed dozens in flash floods and landslides in Kenya, Ethiopia and Tanzania.

A powerful climate phenomenon in the Indian Ocean stronger than any seen in years unleashed destructive rains and flooding across East Africa.

10. 500-year drought deepens

The American west continue to plunge deeper into the most severe "mega-drought" to hit the region in at least 500 years.

Made worse by global warming, the dry spell could continue for decades, according to a study in the journal Science.

Tags: #man-madeclimatechange, #ecologicaldisasters, #world’sweather, #environment


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