How Climate Change Impacts the Health and Wellbeing of Pets
- marmissionorg
- Sep 4
- 3 min read
Updated: Sep 11
By Mar's Mission Editorial Team, with assistance from AI tools
Climate change is not just a concern for humans; it is increasingly affecting our furry friends. When temperatures rise and weather patterns change, the health and wellbeing of pets like dogs, cats, and other animals can be at risk. Understanding these impacts help pet parents make informed decisions to safeguard their companions.
Rising Temperatures and Heat Stress
Higher temperatures are one of the most direct consequences of climate change. Pets, particularly breeds with thick fur or brachycephalic types like Bulldogs and Persians, are especially prone to heat stress, according to The Kennel Club.
Heat stress can lead to severe health complications, such as heatstroke, which can be fatal without quick intervention, says Pet MD.
On days when temperatures soar, pet owners should ensure their pets have ample access to shade, fresh water, and a cool atmosphere.
For instance, consider scheduling walks early in the morning or later in the evening when temperatures are cooler. Be on the lookout for warning signs, such as excessive panting, drooling, or sluggishness.
"During a heat crisis, the goal is always to decrease the dog’s body temperature to 103° F in the first 10-15 minutes. Once 103° F is reached, you must stop the cooling process because the body temperature will continue to decrease and can plummet dangerously low if you continue to cool the dog for too long," says American Red Cross. Even if you successfully cool your pet down to 103° F in the first 10-15 minutes, you must take the dog to a veterinarian as soon as possible because consequences of heat stroke will not show up for hours or even days. Potential problems include abnormal heart rhythms, kidney failure, neurological problems and respiratory arrest," they add.

Increased Allergens and Respiratory Issues
Hot and humid climates can lead to higher levels of allergens like pollen and mold, worsening respiratory problems in pets.
Pets can suffer from reactions similar to humans, including sneezing, itching, and skin irritations, says Express Vets in Georgia. During high pollen seasons, owners must watch for allergy symptoms.
Consulting your licensed veterinarian can provide much-needed relief for you and your pets.
Changes in Wildlife and Parasite Populations
As the climate shifts, so does the distribution of wildlife and parasites.
"Warming temperatures don’t just affect the habitats where Ixodes ticks live and thrive; climate change has also changed the habitats of host species that ticks depend on to survive," according to Pfizer.
"Warmer temperatures and milder winters allow ticks to remain active longer and expand into new territories," reports Virginia Tech.
To protect pets, owners should stay informed about local parasite risks and ensure their pets receive regular check-ups and preventive medications.
Water Quality and Availability
Climate change also affects the quality and availability of water, which is vital for our pets' health. Droughts and heavy storms can contaminate water sources, increasing health risks for pets that drink from outdoor bodies.
To ensure pets have access to safe drinking water, owners should provide clean, fresh water at all times. Being aware of local water quality reports can help owners make better decisions. For example, if a local storm has contaminated waterways, pet owners should be cautious about allowing pets to drink from them.
Final Thoughts
The effects of climate change on pets are considerable and varied. Heat stress, rising allergens, and changing parasite populations are just a few challenges pet owners face.
By staying informed and taking proactive steps—like providing shade, monitoring water quality, and managing allergens—pet owners can enhance their pets' health and wellbeing in a changing climate. The bond we share with our pets means we must prioritize their welfare in significant ways, especially as we face these evolving environmental challenges.
Mar’s Mission does not provide veterinary care or services. The information we share comes from reputable and trusted sources to help support the care of companion animals. For urgent or professional medical needs, please contact a licensed veterinarian immediately.




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