Peter Dynes Profile picture
Jun 1 4 tweets 2 min read Twitter logo Read on Twitter
The desert is coming. The #Sahara desert is expanding towards Southern #Spain and #Italy, and experts predict that both regions will become deserts by 2100 or even sooner. Unfortunately, not much grows in the desert. Image
Natalie Thomas, author of the study that quantified the Sahara’s century of growth, asks: “Morally, how do we deal with the fact that developing countries are paying the price?”
“Only when problems begin to affect wealthier nations do these find impetus to act. The Sahara situation is similar: desertification could actually spread across the Mediterranean Sea into Europe within the next century, which would certainly stir up its member states.”
Not sure about the 1902 graphic - check this 👉 nsf.gov/news/news_summ…

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More from @PGDynes

Jun 3
This is the future of heat adaptation for Urban heat Islands and other applications. “City in Sierra Leone covers buildings in mirrors to fight extreme heat” newscientist.com/article/237576…
For those without sub - "1000's of people in Freetown, live in settlements dense with metal/concrete buildings that trap heat and make heatwaves more dangerous. An experiment has shown that covering such buildings with a cheap mirrored film can substantially reduce temps inside"
"Since becoming heat officer of Freetown, Eugenia Kargbo has experimented with all kinds of ways to protect the city from heat. When a group of researchers approached her with a plan to cover the city’s buildings in mirrors to cool them, “I said, ‘why not?’”
Read 13 tweets
May 31
Spain's farms are dying. Their pastures are disappearing. Their livestock is becoming too expensive to even feed. Their ministers resort to calling for the EU crisis mechanism to be triggered. The #Climate crisis is now an EU farming and food supply crisis. Image
Spain and Portugal have requested the activation of the European Food Security Crisis Preparedness and Response Mechanism (EFSCM), which could provide up to 450 million euros. However, other EU nations have been hesitant to initiate the mechanism, it requires unanimous agreement.
Read 4 tweets
May 28
“Expect chaos” - we really are in uncharted warm waters - Dr Jennifer Francis “We have not had a strong El Niño, in conjunction with ocean heatwave in the North Pacific, in conjunction with an Atlantic ocean where the temperatures are almost off the charts.” Image
Full quote and link here. This really is new territory for climate forcing. Reducing shipping aerosols is going to have huge consequences.
“we have this El Niño developing. It looks like it could be a strong one. We tend to see global average temperatures spike when an El Niño occurs. This is very concerning, because even during these last three years of La Niña, we've seen near record breaking global average temps”
Read 4 tweets
May 21
India continues to bake. Hearing reports of unusually high humidity in areas that’s not common. High temperature combined with high humidity is deadly. 6 hour survival period at certain levels. The night temps are staying above 30C also in many parts - millions sleeping outside. Image
I should add that some areas in Pakistan are actually suffering even higher temperatures than India. The dangers of wet bulb temperatures are going to be a major issue of concern in the coming decades for this region. Image
Where is the threat of wet bulb temperatures around the world greatest? See map 👇 “Researchers found that the actual maximum wet-bulb temperature is lower — about 31°C wet-bulb or 87°F at 100% humidity — even for young, healthy subjects.” Image
Read 4 tweets
Apr 16
There’s drought - and then there’s a super drought! 60% of the Spanish countryside is bone dry. Groundwater eventually runs out - then what..Wheat and barley crops are likely to fail entirely in four regions- & summer yet to come. Image
“Spain's long-term drought is causing "irreversible losses" to more than 3.5 million hectares of crops, the Coordinator of Farmers' and Ranchers' Organizations said in a new report”
“Some cereals need to be "written off" in the prime growing regions of Andalusia, Castilla La Mancha, Extremadura and Murcia, and are likely to be lost in the driest areas of three other regions, according to the report.”
Read 5 tweets
Mar 27
This summer may push India closer to the limits of human survival. Rising temperatures are forecast in the coming weeks after India experienced its hottest February on record. The region is at serious risk of wet-bulb if global temperatures continue to rise. Image
One of the deadliest Wet bulb events was actually in Chicago- 700+ victims - mostly elderly and poor succumbed to unbearable heat & humidity, making the 1995 heat wave one of the deadliest climate disasters in U.S. history - killed 3x as many as Storms Sandy/Harvey combined. Image
On the current trajectory and with current mitigation policies - the first major wet bulb event will be a major shock to the current global system. Kim Stanley Robinson's ministry for the future book is shocking. Image
Read 4 tweets

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