Cold water swimming may protect the brain from degenerative diseases like dementia, researchers from Cambridge University have discovered. BBC NEWS

Those hoping to future-proof their careers are turning to green industries such as windfarms. THE GUARDIAN

One of Asia’s fastest-growing cities has no major river and its deep groundwater is running out, but an age-old practice could help the city find water. BBC FUTURE PLANET

More of our electricity will have to come from renewable sources, but we’re fast running out of space close to shore. Is the answer to go farther out to sea? BBC FUTURE

A handful of radical nature lovers are secretly breeding endangered species and releasing them into the wild. Many are prepared to break the law and risk the fury of the scientific establishment to save the animals they love. THE GUARDIAN

In the '90s, Portugal was in the grip of a drugs crisis. The country had one of the worst rates of overdose deaths in Europe, as well as the highest rate of HIV among drug users. In response to this public health emergency, Portugal's government set up a group of experts including doctors, psychiatrists and judges to come up with a nationwide strategy. BBC NEWS

To stimulate its pandemic-hit economy, a province in South Korea has been experimenting with universal basic income programs by regularly giving out cash, no questions asked. Now, some politicians want to go national with the concept. THE WALL STREET JOURNAL

The Ocean Cleanup is deploying floating trash collectors called "Interceptors." These solar-powered, autonomous systems use the rivers' currents to guide the trash onto a conveyor belts that carry the waste to awaiting bins. CNN

If humans hadn’t chopped down the trees, most of what are now Britain’s sheep farms would still be part of the large forests that once covered the islands. So why can’t some of these areas be turned back into woodland? THE CONVERSATION

More than 100 people in Glasgow are now being prescribed the drug, which is injected once a month, meaning those using it no longer need to visit chemists to pick up methadone prescriptions every day. It is hoped this will allow patients to focus on improving their lives and overall health rather than managing their dependence. BBC NEWS

Scientists are developing psilocybin, the active ingredient in magic mushrooms, into a treatment for depression. VOX

As Chinese demand for pork grows and grows, traditional small-scale farms are being replaced by vast, AI-assisted operations that feel more like smartphone factories than bucolic countryside havens. THE GUARDIAN

Joe Biden and other Democrats are backing regenerative farming, which pulls carbon from the atmosphere and restores nutrients to soil. But is it ready for prime time? HUFFPOST

Forget artificial sweeteners. Researchers are now developing new forms of real sugar, to deliver sweetness with fewer calories. But tricking our biology is no easy feat. THE NEW YORKER

While some say CO2 capture is part of the problem, big projects are being invested in as a part solution to the climate crisis. THE GUARDIAN

"Once you're caught in the grip of the system you are doomed," says the founder of a radically different approach to jailing young offenders. BBC NEWS

At least 14 countries have passed such measures in the past dozen years. THOMSON REUTERS FOUNDATION

In West Africa, rainfall has dropped, temperatures have risen and wildlife has dwindled in one of the most biodiverse forest habitats in the world. But there is a reason for hope. HUFFPOST

Every energy reduction we can make is a gift to future humans, and all life on Earth. VOX