Environmental Health – Let’s face it, the topic of climate change can feel overwhelming. I remember when I first started really paying attention to the environmental changes around me—I didn’t know where to start. The news is filled with predictions of melting ice caps, wildfires, and rising sea levels, and it all just feels like so much information to digest. But, after some time, I realized that while it’s easy to feel like climate change is something happening somewhere else, its impacts are all around us—especially in terms of environmental health.
So, let’s break this down. It’s not just about polar bears on melting ice floes. It’s about our health, our air quality, and the sustainability of our planet for future generations. In the end, everything is connected. Here are six crucial facts about environmental health and climate change that I believe everyone should understand—whether you’re a seasoned climate advocate or just starting to care.

Environmental Health and Climate Change: 6 Crucial Facts You Need to Know
1. Climate Change Impacts Air Quality
Now, I don’t know about you, but I never thought too much about air quality until one summer, when I moved to a city that was notorious for poor air quality. Within just a few weeks, I started noticing things like shortness of breath and constant congestion. Turns out, pollution levels there were sky-high, and I wasn’t alone—millions of people across the world are experiencing worsening air quality due to climate change. This is something many people don’t realize: rising temperatures and wildfires are contributing to worse air pollution.
Think about it—hotter temperatures make the air heavier and trap pollutants. Add to that the increase in forest fires, and you’ve got a real problem. Wildfires not only emit carbon dioxide but also dangerous particles that get stuck in the air. These particles can lead to respiratory diseases, heart conditions, and even lung cancer. In fact, places like California, Australia, and Southeast Asia have seen increases in asthma and other respiratory issues linked directly to these changes in air quality.
If you’re someone who suffers from allergies or respiratory problems, this is a big one to keep in mind. We might be thinking about the weather changing, but it’s just as important to think about what’s in the air we breathe.
2. Rising Temperatures Can Lead to Heat-Related Illnesses
I don’t think I need to tell you that summers are getting hotter, but the heat waves we’re seeing are more intense than ever before. I learned this the hard way during a particularly brutal summer in a city that routinely saw temperatures climbing above 100°F. I thought I was handling it okay until I found myself dizzy and overheated after just a short walk. Turns out, these extreme temperatures can lead to heatstroke, dehydration, and even organ failure, especially in vulnerable populations like the elderly, children, and people with pre-existing health conditions.
Climate change isn’t just an inconvenience; it’s a health risk. Heat-related illnesses are becoming more common, and many places around the world are seeing record-high temperatures. If you live in an area where heat waves are becoming more frequent, it’s crucial to stay hydrated, avoid the outdoors during peak hours, and stay aware of heat advisories. These simple actions can literally save lives.
3. Vector-Borne Diseases Are on the Rise
Here’s something I didn’t really understand until I started reading about the connection between climate change and health: warmer temperatures can lead to the spread of diseases carried by insects. Mosquitoes, for example, thrive in hot climates, and as the planet warms, their range expands. Diseases like malaria, dengue fever, and Zika virus are making their way into regions where they weren’t typically found.
Living in a temperate zone, I was always used to relatively mild summers with few mosquito problems. But, last year, the situation changed. A combination of warmer temperatures and more standing water led to a noticeable increase in mosquito activity. It was a wake-up call for me—climate change was literally bringing these diseases closer to home. In fact, the CDC has warned that many areas in the U.S. may experience a rise in mosquito-borne illnesses due to climate change, and it’s not just about annoying bites—it’s a serious health concern.
4. Extreme Weather Events Are Linked to Climate Change
I’m sure we’ve all seen the headlines: hurricanes, floods, tornadoes—extreme weather is becoming more frequent and severe. But what you might not realize is that this extreme weather has major implications for our health. When disaster strikes, it often leads to outbreaks of diseases, disruptions in healthcare, and, of course, the mental toll of living through a traumatic event.
When Hurricane Katrina hit, I remember reading about the long-term effects on the health of residents, especially in terms of mental health. People living in flooded areas experienced stress, anxiety, and depression at higher rates. These extreme weather events also disrupt clean water supplies, leading to waterborne diseases, and make it harder to access healthcare.
The takeaway here is that the health consequences of these weather events extend far beyond the immediate damage. It’s not just about property—it’s about people’s well-being, too.
5. Food Security and Climate Change Are Closely Tied
I used to think about food insecurity as an issue limited to poverty-stricken areas, but I’ve come to realize that climate change is rapidly changing the landscape. Rising temperatures and unpredictable weather patterns are negatively impacting crop yields, and this has major consequences for food security around the world. From droughts that dry up crops to floods that wash them away, our food supply is becoming more vulnerable.
The impact of climate change on agriculture means that staple crops like wheat, corn, and rice are at risk, potentially leading to higher food prices and shortages. I’ve noticed the difference in prices at my local grocery store—items that used to be affordable are becoming more expensive due to changing weather patterns. It’s not just an inconvenience; it’s a matter of basic survival. As the world continues to warm, we’ll need to rethink how we grow, distribute, and consume food to ensure that everyone has access to the nutrition they need.
6. Environmental Health and Climate Change Are Inextricably Linked
Ultimately, all these factors tie back to a simple truth: environmental health and climate change are two sides of the same coin. The health of our planet directly affects the health of its inhabitants. Whether it’s the air we breathe, the food we eat, or the water we drink, every part of our environment plays a crucial role in our overall well-being. If we don’t take action now to address climate change, the future of public health will be at risk.
In Conclusion
I’ll be the first to admit that learning about climate change’s effects on health was eye-opening—and not always in a pleasant way. But the more I understand, the more empowered I feel to make small changes in my own life and advocate for larger systemic changes. From reducing my carbon footprint to supporting policies that address climate change, every little bit counts. The health of our planet—and our own well-being—depends on the actions we take today. So, let’s get informed, make better choices, and create a healthier world for generations to come.