"A group of the world’s last wild horses have returned to their native Kazakhstan after an absence of about 200 years. ... The wild horses, known as Przewalski’s horses, once roamed the vast steppe grasslands of central Asia, where horses are believed to have been first domesticated about 5,500 years ago."

"Nitrogen fertilisers, manure and other agricultural sources drove almost three-quarters of human-caused nitrous oxide emissions in recent years."

"Expanding the remaining patches may hold the key to ecological resilience in the centuries to come".

"It’s a 90-degree spring day in Moab, Utah, and dozens of people have the same idea: Escape the heat and blistering sunshine by hiking the Mill Creek waterfall trail. The short hike is decently shaded, with opportunities to dip hot feet in the creek—and swim in a small waterfall at the trail’s end. But even this oasis can be dangerous when it comes to extreme heat."