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A new study has found that 75 percent of heat-related deaths in Mexico occur among people under the age of 35, rather than in older people, as might be expected.

Of these younger people, a large percentage were from 18 to 35 — an age range that might be perceived to be the most able to tolerate heat.

“It’s a surprise. These are physiologically the most robust people in the population,” said Jeffrey Shrader, co-author of the study and a researcher at Columbia Climate School affiliate the Center for Environmental Economics and Policy, in a press release from Columbia Climate School. “I would love to know why this is so.”

Mexico was chosen for the study since it collects detailed geographical data on daily temperatures and mortality. The research team correlated excess mortality — the number of below- or above-average deaths — with temperatures on the “wet-bulb scale.” The wet-bulb scale is a measurement of the heightened effects of heat combined with humidity.

The study estimated that there will be a 32 percent increase in heat deaths this century for people under 35 if we don’t drastically lower greenhouse gas emissions, reported The Guardian.

“Most discussion of vulnerability to heat focuses on the elderly, but we found a surprising source of inequality in that most heat mortality is in younger people,” said co-lead author of the study Andrew Wilson, a Ph.D. candidate in sustainable development at Columbia, as The Guardian reported. “We didn’t think we’d find this.”

The study, “Heat disproportionately kills young people: Evidence from wet-bulb temperature in Mexico,” was published in the journal Science Advances.

The researchers found that between 1998 and 2019, about 3,300 people died annually from exposure to heat in Mexico. Nearly a third of these were people from 18 to 35, “a figure far out of proportion with the numbers in that age bracket,” the press release said.

Children under the age of five — especially infants — were also found to be highly vulnerable. The least number of heat-related deaths occurred in people from 50 to 70.

Co-lead author of the study R. Daniel Bressler, also a Ph.D. candidate in the sustainable development program at Columbia, said that, based on the findings, “we project, as the climate warms, heat-related deaths are going to go up, and the young will suffer the most.”

The researchers said several factors may be contributing to the surprising findings. Younger adults more frequently engage in outdoor labor like construction and farming, thus becoming exposed to heat stroke and dehydration. The same applies to indoor manufacturing in places without air conditioning.

A construction worker rests at a brick factory near Coahuila, Mexico. Photo Beto / iStock Unreleased

“These are the more junior people, low on the totem pole, who probably do the lion’s share of hard work, with inflexible work arrangements,” Shrader said in the press release.

The researchers pointed out that young adults were also more likely to take part in strenuous outdoor sports.

Popular media often converts wet-bulb temperatures into “real-feel” heat indexes, which can vary based on the precise combination of humidity and heat.

The researchers found that a wet-bulb temperature of about 71 degrees Fahrenheit with a humidity of 40 percent was ideal for younger people. In this temperature range, individuals suffer minimum mortality.

By contrast, the researchers discovered that nearly all cold-related fatalities were of individuals older than 50. In most countries, including Mexico, most temperature-related deaths are currently due to cold weather.

“We are seeing that cold-related deaths will fall, primarily of older individuals, while heat deaths of younger individuals will increase,” Wilson said, as reported by The Guardian. “Climate change is here and how we adapt to it will be a very important determinant of human health in the future. We shouldn’t move resources away from older people but we certainly need to think more about the risk faced by younger people.”

The post 75% of Heat-Related Deaths in Mexico Occur in People Under 35, Study Finds appeared first on EcoWatch.

https://www.ecowatch.com/heat-deaths-mexico-demographics.html

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8 Ways to Reduce Your Impact Today

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With a full-time job, an active social life, and perhaps a kid or a pup to raise, it can be tough to fit in a commitment to the environment — especially if it seems to require added cost or responsibility.
Take heart, though, because there are many simple ways to reduce your impact on the planet that actually help you save money. Once you’re up to speed with the basics like changing your incandescent light bulbs to energy-efficient LEDs and shopping with reusable bags, check out these equally easy ways to simplify your go-go life.
Avoid take-out waste by bringing your own to-go containers. Image courtesy of dotpolka

This article contains affiliate links. If you make a purchase through these links we will receive a small commission from the sale that helps fund our work.

1. Say ‘No’ to To-Go Waste

Even if you’re constantly on the run, it’s possible to reduce the amount of waste you generate by packing your own reusable mug, water bottle, food containers, and cutlery. The majority of restaurant to-go containers are still made from plastics that don’t recycle easily, so they’re used once and then thrown away. Each plastic cup, fork, straw, and clamshell box costs money, and you can be sure this cost is passed onto consumers — not to mention the environmental costs of all that plastic waste.

2. Water Well

Water is a precious resource, which is often a fact overlooked in developed countries where we can just turn on the tap and get clean, safe water. However, according to a 2025 WHO/UNICEF report, 2.1 billion people globally still lack access to safely managed drinking water, and the global potable water supply is under pressure from climate change and population growth. You can decrease your water consumption by following a few simple steps.

Flush and run sparingly: The average toilet uses between 1.6 and 5.5 gallons of water per flush. If you are already “letting it mellow,” save even more water by turning on the tap only when absolutely necessary. There’s no need for the water to run when brushing your teeth, washing your hands, or doing the dishes, for example.

Make sure it’s really dirty before washing: Clothing, dishes, and your body should undergo the wash and rinse cycle only when necessary. Use the same water glass all day, and wear those jeans more than once.

3. Hang It Out to Dry

Clothes dryers are among the most energy-intensive household appliances. Most of us are not willing to give up cold milk and crisp veggies from the fridge, but we can easily use the dryer less often, which can add up to significant savings of energy and money.

As an added bonus, letting your clothes air dry extends their usable lives (it is much less taxing on the stitching and fabric), it gives you a good excuse to get outside in nice weather, and line-dried laundry smells better too! If you live in a place where drying clothes outside right now would mean wearing duds that are cold and wet, consider using indoor drying racks to accomplish the same energy-free job.

4. Lights, Camera, Out!

Many electronic devices — such as phone and camera chargers, televisions, and computers — continue to draw energy even when in the “off” position. To avoid phantom power use, unplug such devices or plug everything into a power strip you can turn off when not in use. Encourage these same practices at your workplace. And no matter where you are, always turn off unnecessary lights.

5. Be a Wise Post-Consumer

In the digital age, many of us still rely on a steady stream of paper in our offices, kitchens, and bathrooms. Here are some easy suggestions for keeping more trees outside.

Print sparingly: When you do need to hold a document in your hand, be sure it has been printed and/or copied on both sides, and of course, be sure to recycle when done.

Buy the highest level of post-consumer, recycled paper: From toilet paper to notebooks, there is rarely a reason to use virgin paper. Look for the percentage on the packaging (such as products made with 100% recycled or 50% post-consumer materials), and also look for paper that is processed chlorine-free (PCF).

Class it up with cloth: Reusable napkins are not just for fancy dinner parties. They can be washed and reused indefinitely. The same goes for old T-shirts or towels, which can be repurposed as rags and used instead of disposable paper towels.

6. Resist the Urge to Splurge

A lack of excess cash can serve as a great excuse to reduce your consumption. Here are a few suggestions to help you consume less.

Take a consumption vacation: Consider taking the day or week off from making any new purchases, with the exception of necessities such as health products and food. By doing this, you’re not only saving money, but you’re also reducing the waste created throughout the life cycle of each new product, the packaging used, and the fuel consumed and produced in transporting products from the original resources to the manufacturer to your local store.

Buy nice, don’t buy twice: For necessities, make sure that you buy the highest quality, most energy-efficient, environmentally friendly model available within your budget. From appliances (Energy Star) to food (Local Harvest), there are low-impact alternatives for almost everything on the market.

Public transportation
Do you have to drive, or can you take public transportation? Image courtesy of L.A. Urban Soul

7. Bid Your Car Adieu

We are a society that loves our cars, but there are many alternatives to a day spent solo in your gas-guzzling ride. Backing out of your car rut can also provide new opportunities to socialize and get some exercise.

Get on the bus: Many cities and towns have excellent public transportation systems that include buses, subways, and trains. You’ll be surprised at the new friends you make or the added reading time you find when not behind the wheel.

Carpool with friends or co-workers: Rideshare services now make it easier than ever to find a match. Uber’s UberX Share allows passengers traveling in the same direction to share a ride and reduce costs while cutting emissions. Lyft and Waze discontinued their shared rides programs in 2023.

Get on a bike or walk: While riding your bike or walking might take a little longer to reach your destination, the fresh air, reduced carbon emissions, and the exercise more than make up for the extra minutes.

Phone it in: Explore telecommuting or teleconferencing options with your employer to significantly reduce your daily commute. According to Global Workplace Analytics, a typical employer can save an average of $11,000 per half-time remote worker per year, while employees save between $2,000 and $6,500 annually from reduced commuting and related costs. Telecommuting just a few days a week will save you and your employer money.

8. Ban Planned Obsolescence

The more we view potential waste as building blocks for new products, the lower our overall impact will be. Granted, some products (“gum” comes to mind) are decidedly single-use items, but with a little creativity, many others can easily be creatively repurposed.

Originally published on April 6, 2009, article was most recently updated in January 2026.

The post 8 Ways to Reduce Your Impact Today appeared first on Earth911.

https://earth911.com/inspire/8-ways-to-reduce-your-impact-today/

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Sustainability In Your Ear: Peter Fusaro’s Wall Street Green Summit Explores Financing The Renewables Transition

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Global investment in the energy transition reached $2.2 trillion in 2025, up 5% from the previous year despite political headwinds intensified. Peter Fusaro has watched this market evolve from a niche curiosity into a systemic financial concern. As founder of the Wall Street Green Summit, he’s spent a quarter century connecting capital to climate solutions. This year’s summit, the 25th in its history, will take place on March 10 and 11 in New York. This critical conversation arrives at an historic inflection point: insurance companies are withdrawing from climate-vulnerable states, AI data centers are straining electrical grids, and the economics of clean energy have fundamentally shifted.

Peter Fusaro, Founder of the Wall Street Green Summit, is our guest on Sustainability In Your Ear.

The energy transition’s bottleneck isn’t capital, it’s infrastructure. The U.S. went from 110 investor-owned utilities in 1992 to just 40 today, and consolidation meant underinvestment in transmission and distribution. Data centers consumed 2% of U.S. energy demand in 2020; Peter sees that climbing to 10-12% by 2030. Blackouts and brownouts are inevitable, he says. Yet his message is pragmatic optimism: ignore Washington and watch the capital markets and blue states where climate policy is embedded in law. Many companies are “green hushing,” quietly pursuing sustainability without public positioning. The energy industry thinks in 40-year cycles, making the current political moment a blip. “I’ve spent 56 years now in sustainability, before it had a name,” he says. “What I’ve learned is change takes decades.”

Peter argues that Wall Street has genuinely internalized climate as systemic risk—not because of ideology, but because of opportunity. “Wall Street likes exchanges, likes to trade, likes volatility, and certainly likes uncertainty,” he explains. “What people don’t understand about Wall Street, it’s about the edge. What’s the arbitrage opportunity?” The reinsurance industry has stepped forward aggressively, funding carbon credits and sustainability projects. Peter’s recent Earth911 article, “Climate Risk Has Become a Defining Economic Issue,” explores these themes in depth.

However, he sees natural gas and renewables dominating the next 15 years, while geothermal is enjoying a genuine renaissance. His optimism rests on a demographic bet: “I have a tremendous valuation on young people. I’m 75. They’re inheriting this world, and they get the sustainability message globally.” The summit attendees includes no government officials and no academics, just people in the trenches building and financing solutions.

You can learn more at TheWallStreetGreenSummit.com. Earth911 is a media sponsor for the event.

The post Sustainability In Your Ear: Peter Fusaro’s Wall Street Green Summit Explores Financing The Renewables Transition appeared first on Earth911.

https://earth911.com/podcast/sustainability-in-your-ear-peter-fusaros-wall-street-green-summit-explores-financing-the-renewables-transition/

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Earth911 Inspiration: Nothing Is Perfect and Everything Is Perfect

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Sustainability is a series of experiments. No one is perfect and too many people don’t try to help the Earth because they think they won’t make a difference. Author Alice Waters reminds us that every tree is beautiful and we can be, too, if we forget perfection and focus on living well: “In nature, nothing is perfect and everything is still perfect. Trees can be contorted, bent in weird ways, and they’re still beautiful.”

Earth911 inspirations. Post them, share your desire to help people think of the planet first, every day. Click the poster to get a larger image.

"In nature, nothing is perfect and everything is perfect ..." --Alice Walker

This poster was originally published on November 29, 2019.

The post Earth911 Inspiration: Nothing Is Perfect and Everything Is Perfect appeared first on Earth911.

https://earth911.com/living-well-being/earth911-inspiration-nothing-is-perfect-and-everything-is-perfect/

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