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A team of international researchers published a new U.N. report Wednesday that adds to the rising scientific call for transformative societal and economic changes to staunch critical environmental threats like global warming, plastic pollution and biodiversity loss.

“The science is clear on what needs to change,” said lead author Caitlyn Eberle. “Stop using fossil fuels, respect and protect nature, use resources sustainably. So if we know what we need to do to change things, why aren’t we doing it?”

The research in the report shows that many of today’s sustainability projects are superficial because they focus on small changes within the system without changing the system itself, she said. A good example is recycling, which is valuable, but doesn’t get to the core issue of why so much waste is produced in the first place, she added. “We cannot expect real change unless we examine the reasons behind our actions and question why we’re doing what we’re doing.”

The process may lead to some “uncomfortable” territory, said UNU-EHS deputy director Zita Sebesvari, another lead author of the report. Crises in Earth’s ecosystems, including the climate and human systems, require rethinking many basic assumptions and values, for example about consumption and waste. “If we bring this to our own life,” she said, “the question is, why do we think that convenience is more important than other values like nature and a pollution-free environment?”

https://archive.ph/QmXcB

If you were to drink improperly recycled toilet water, it could really hurt you — but probably not in the way you’re thinking. Advanced purification technology so thoroughly cleans wastewater of feces and other contaminants that it also strips out natural minerals, which the treatment facility then has to add back in. If it didn’t, that purified water would imperil you by sucking those minerals out of your body as it moves through your internal plumbing.

So if it’s perfectly safe to consume recycled toilet water, why aren’t Americans living in parched western states drinking more of it?

A new report from researchers at the University of California, Los Angeles, and the Natural Resources Defense Council finds that seven western states that rely on the Colorado River are on average recycling just a quarter of their water, even as they fight each other and Indigenous tribes for access to the river amid worsening droughts. Populations are also booming in the Southwest, meaning there’s less water for more people.

The report finds that states are recycling wildly different proportions of their water. On the high end, Nevada reuses 85 percent, followed by Arizona at 52 percent. But other states lag far behind, including California (22 percent) and New Mexico (18 percent), with Colorado and Wyoming at less than 4 percent and Utah recycling next to nothing.

The report found that if the states other than high-achieving Nevada and Arizona increased their wastewater reuse to 50 percent, they’d boost water availability by 1.3 million acre-feet every year. Experts think that it’s not a question of whether states need to reuse more toilet water but how quickly they can build the infrastructure as droughts worsen and populations swell.

https://archive.ph/e0dbc

Property owners and landlords in New York City can now be fined $25 or more if residents are found throwing a banana peel in the trash. As of April 1, all New Yorkers must separate organic waste from the rest of their trash, similar to how metal, glass, paper, and plastic is set aside for recycling.

This is how the city is encouraging participation in its curbside composting program, where food waste is collected weekly by the sanitation department, same as the trash and recycling.

Getting New Yorkers onboard with composting will take time — and effort. When it comes to diverting food waste from landfills by composting it instead, New York lags far behind other large U.S. cities. The city recovered less than 5 percent of eligible households’ organic waste in the 2024 fiscal year. The fines announced this month are designed to boost compliance; in the first week of April, the New York City Department of Sanitation, or DSNY, issued nearly 2,000 tickets for allegedly failing to separate organics.

https://archive.ph/iLpO5

In the summer of 2023, a dozen people willingly walked into a steel chamber at the University of Ottawa designed to test the limits of human survival. Outfitted with heart rate monitors and temperature probes, they waited in temperatures of 42 degrees Celsius, or 107 degrees Fahrenheit, while the humidity steadily climbed, coating their bodies in sweat and condensation. After several hours, their internal body temperatures began ratcheting upward, as the heat cooked them from the outside in.

“Few people on the planet have actually experienced temperatures like this,” said Robert Meade, a postdoctoral researcher in epidemiology at the Harvard School of Public Health who led the study. “Imagine moisture condensing on the skin like a glass of water on a hot day. That’s how hot it was, compared to skin temperature.”

Their experiment tested the body’s ability to cope with extreme heat by exposing participants to temperatures at which they could no longer cool themselves. Their study confirmed that this dangerous threshold is much lower than scientists had previously thought: a so-called wet-bulb temperature, which accounts for heat and humidity, of 26 to 31 degrees C.

https://archive.ph/Lj16Y

Ann Arbor, Mich., has an aggressive goal of net-zero emissions by 2030, and it is taking its desire for clean power into its own hands.

The City Council this week approved plans to create a sustainable energy utility, or S.E.U., which is an organization that helps local residents use less energy.

Ann Arbor’s hope is to build a kind of local, renewable grid close to homes and businesses, with solar power and connected buildings that draw power from geothermal power sources. It is intended to be cheaper than a traditional energy grid and more affordable than adding solar panels or battery storage to individual homes.

https://archive.ph/aPaMU

In Orange County, California, wastewater from people’s homes is not considered waste. Instead of treating it and sending it to the ocean, Orange County purifies its wastewater with an additional three-step process. Each day, the county treats about 130 million gallons until it’s safe enough to drink.

Mehul Patel is with the Orange County Water District. He says the aquifer is a key source of water for people who live in the area. Replenishing it this way helps buffer water supplies as climate change makes droughts more frequent and severe.

Orange County has now been recycling its wastewater for more than a decade. And Patel says the approach could help other drought-prone regions, too.

As storms and floods become more frequent, intense, and expensive in terms of finances and lost lives, city life is becoming more precarious.

Amit Prothi, the director general of the Coalition for Disaster Resilient Infrastructure, has spent decades working on making communities more resilient across more than 15 countries in North America, Asia, and Europe. He said that American infrastructure – like power lines, water drainage systems, and housing development – and building policies that govern such projects may not account for the changing risks brought about by climate change.

But there are several strategies U.S. cities can put in place to become more resilient. As a bonus, implementing these strategies can also make cities more beautiful and community-oriented – and in most cases, are also financial no-brainers.

In the U.S., coastal floods now happen three times more often than they did 30 years ago, and the frequency and intensity of coastal flooding are projected to increase into the future. By 2050, floods are expected to happen 10 times more often than they do today.

Climate Central’s Coastal Risk Finder provides maps and analysis of the people, homes, and land projected to be at risk from worsening coastal flooding. Around 2.5 million Americans in 1.4 million homes live in areas at risk from a severe coastal flood in 2050, with Florida, New York, and New Jersey facing the highest risks.

You can explore the data here: https://app.climatecentral.org/coastal-risk-finder

The U.S. Supreme Court this week declined to take up a closely watched lawsuit brought by 21 young people challenging the federal government’s fossil fuel energy system.

The high court’s decision Monday in Juliana v. United States ends a 10-year legal effort to hold the government accountable for knowingly endorsing an energy system that would destabilize the climate. The complaint claimed the situation infringed on the young plaintiffs’ rights to life, liberty and property and called on the government to phase out carbon emissions and implement national plans to address the energy and environmental problems they created.

The Supreme Court offered no reason for declining Juliana. Rodgers said the organization was considering options. The Justice Department did not respond to a request for comment.

The human world of the early 21st century is dominated by science, cities, and high technology. However, both our modern way of life and our way of thinking about the world sprang up only within the past several centuries. Compared to our hunter-gatherer forebears, we might as well be from another planet.

Most people who live in industrialized nations now believe that humans are superior to the rest of nature. It is assumed that by using science and reason, along with giant helpings of technology, we can banish scarcity and ignorance. Modernity is thought to be the implicit goal of billions of years of biological evolution.

However, in the last few years a critical discourse about modernity has emerged in books, blogs, and academic literature. For these authors, modernity is the cause of the current polycrisis and the impending Great Unraveling. Modernity is likely to comprise a brief and intensely destructive moment in Earth history, because the way we live is unsustainable not just in its details, but in its inherent design.