Here’s a recipe for a good animal rescue story: Take one residential creek (小溪), add one lone dolphin and then bring in 28 determined biologists. Mix well and enjoy the happy ending.

A young dolphin wandered off its usual path and ended up in a creek in Clearwater, Florida. Biologists with Clearwater Marine Aquarium had been monitoring it since Jan. 1. It appeared reluctant to return to open waters via a small opening under a bridge. “Since monitoring began, the dolphin had not left the creek,” the aquarium said last week. “This posed potential long-term problems. Dolphins are naturally sociable creatures, so if they are isolated from other dolphins, they may turn their attention to human interaction.” This can be dangerous, both for dolphins and humans. Humans who get too close to dolphins can find themselves with injuries such as broken bones.

Clearwater Marine Aquarium partnered with NOAA Fisheries and the Florida Fish & Wildlife Conservation Commission to guard the dolphin to safety. A team of 28 biologists got into the water to form a human chain, creating a visual and sound barrier to aim the dolphin out of the creek. It’s not easy to pull off a human chain in a creek. The biologists had to stay shoulder to shoulder and navigate trees and docks without giving the dolphin an opportunity to slip by. The human encouragement worked, though there was a moment of uncertainty as the team members neared the bridge and weren’t sure if the dolphin went through.

The biologists celebrated the dolphin’s arrival on the other side.“It was very exciting after almost 20 plus days for him to finally be out of the canal,” said senior rescue biologist Brittany Baldrica.

The wandering dolphin stands a good chance back out in the wild. “We noted that the animal was in good body condition with normal breathing rates and was displaying normal behavior during observations” the aquarium said.

Happy ending achieved.

Most polar bears could disappear by the end of the century, scientists say. Global warming is to blame. According to a study published this month in Nature Climate Change, most polar bear populations will be in serious decline by 2080. The cause is melting sea ice.       

Polar bears hunt seals on the ice. Without ice, the bears must wander on the shore, where they are spending more and more time away from their main food source. That means the animals could starve.

“There’s not enough food on land to sustain a polar bear population,” Péter K. Molnár told the New York Times. He is the study’s lead author.

Lack of food leads to another problem: Mother bears may not be fat enough to produce milk for their cubs. Some bear populations could stop having babies, leading to a rapid decline in numbers.

Arctic sea ice usually melts in the spring and summer, then grows in the winter. But now, the ice is taking longer to grow back. Weather statistics say the Arctic is warming twice as fast as the rest of the planet. Ice in the region has declined 13% every 10 years since the 1970s.

The Arctic is home to roughly 25,000 polar bears. Scientists have long known that the animals are in danger. This study, which looked at 13 of the world’s 19 polar bear populations, is the first to identify when they could disappear.

But the study also notes that it is still possible to slow Arctic melting. The world can reduce the burning of fossil fuels and lower the greenhouse gas emissions that contribute to climate change. It would have to be a drastic reduction. Bringing emissions to only a moderate level will still mean the loss of some polar bears.

Saving the bears is up to us, Holland says. “I believe that there is hope,” she says. “But humans need to act quickly to turn that hope into a reality.”

Since the rise in car ownership in the 1950s, the US has started building roads in cities and across the country to provide enough room for automobiles. Houston, like many cities, is turning back the clock to make room for passers-by, cyclists and parks.

Memorial Park in Houston, Texas was halved by the Memorial Drive Highway in the1950s. It has now been reunited. The highway is still there, but the road goes underneath the 1,500-acre park.

The restoration (修复) of Memorial Park is part of a larger plan that was made after the city suffered from a serious drought. It was thought that 80 percent of the forested canopy (树冠) was dead. One of the ways to fight that was to reintroduce native plants and animals.

The city hired the landscape architectural company, Nelson Byrd Woltz Landscape Architects, to work with the Houston parks and the Memorial Parks Conservancy. The architects, led by Woltz, were inspired by wildlife crossings in the Northwest US and explored the possibility of using this idea in Memorial Park. Over the years, the park was cut into 20 pieces that were divided by highways, roads and parking lots. The only crossing was a 12-foot bridge.

After 10 years of planning and constructing, the Kinder Land Bridge officially opened in early February, 2023. The bridge consists of 100 acres of greenery, and while designed for people, has reconnected wildlife corridors (廊道). The reconstruction added 45 acres of native Gulf Coast prairie (草原) that’ll increase biodiversity in the park. “This project is not just about creating a passage or a bridge. This project is about ecology, it’s about biodiversity and water management. This project is a bridge into Houston’s future.” said Shellye Arnold, president of the Memorial Park Conservancy.