pollution Archives - When We Talk About Animals

Ep. 48 – Patrick Rose on the Fight to Save Florida’s Manatees

“The first part of a manatee that I saw was a big white scar,” Patrick Rose says. “As I got closer, I could see how that was affecting the manatee itself. That is still imprinted in my mind today. It just really endeared me to them. It strengthened all the thoughts and feelings that I had already: that we need to do more to protect these defenseless animals from this type of cruelty, even though the cruelty is not intended.” Photo by Patrick Rose.

Florida’s waterways are home to beloved and iconic gentle giants, manatees. These half-ton, lumbering mammals – with their wrinkled, whiskered skin and paddle-shaped tails – are believed to have evolved from the same grass-eating land ancestor as elephants over 50 million years ago. Florida manatees are famously playful, sensitive, and inquisitive. They spend much of their lives grazing, cow-like, on meadows of seagrass; congregating in warm-water refuges; expressing emotion through complex chirps, whistles, and squeaks; nursing and caring for their young; nuzzling each other with their noses; hugging with their flippers; and maneuvering slowly at around 3 to 5 miles per hour through the state’s rivers, estuaries, and shallow coastal waters. These remarkably peaceful herbivores have no natural predators and express no aggression towards other creatures. Despite being so gentle and defenseless, they can live more than sixty years in the wild. But, today, few do.

The iconic Florida manatee is facing a multitude of intersecting, human-caused crises. Nearly all of the estimated remaining 7500 Florida manatees have been scarred by boat strikes, while more than half are estimated to have the toxic pesticide glyphosate coursing through their veins. Years of worsening water quality from Florida’s unfettered agricultural pollution and real estate development have resulted in increased toxic algae blooms that block sunlight from reaching the seagrass meadows upon which the manatees depend. Fishing gear entanglement, habitat loss, and climate change are also driving major manatee losses. In 2021, Florida’s manatees died en masse, with a record 1,100 manatees – more than 12 percent of the state’s total manatee population – perishing. Most died of starvation.

“Even though it is a large and strong marine mammal, the manatee is defenseless,” says Patrick Rose, a leading Florida manatee expert and advocate. “They’re not capable of being aggressive. They’re that wonderful animal that just wants to go along and get along with everyone. The problems they have are really all problems that man has caused, and if we fix those problems, we fix them for man, too.” Photo courtesy of Save the Manatee Club.

It’s hard to imagine a more lovable or compelling creature than a manatee, but enthusiasm is not enough to save them. For manatees to have a chance, that love needs to be translated into enforced protections for both these animals and their habitats.

Our guest, Patrick Rose, has devoted the past 45 years to propelling Florida manatees to public prominence and to advocating on their behalf with extraordinary dedication, creativity, and effectiveness. Rose is the executive director of the Save the Manatee Club. An aquatic biologist, he is one of the world’s leading experts on the Florida manatee. He was the first biologist hired by the State of Florida to do work related to protecting manatees, and has advocated on their behalf before the Florida Legislature, governor, and Cabinet, provided policy guidance and direction for state-wide recovery efforts, and served as a member of every federal manatee recovery team. As one of his colleagues once put it, Rose is the ‘MVP of manatee protection.’ Over the past couple years, as manatees have made headlines for the crises they face, he has served as their spokesperson and much needed champion.

Ep. 42 – Edie Widder on the ocean’s spectacular light

Early in her career, the ocean explorer and scientist Dr. Edie Widder received a phone call from a distraught physicist. The physicist was working on a major project aimed at detecting neutrinos, elusive subatomic particles that can give off faint flashes as they move through water. He and his colleagues needed the darkest place they could get, so they placed their ultra-sensitive light detectors deep in the ocean, beyond the reach of the sun’s rays. But there was a problem. The sensors were detecting a lot of light. A colleague suggested the light could be from animals. ‘Could it be true?’ the physicist asked Dr. Widder, now a world authority on marine bioluminescence. ‘Yes,’ she told him. And then, after a long pause, he followed up: ‘Is there some place in the ocean where there isn’t any bioluminescence?’ ‘Not that I know of,’ Dr. Widder replied.

Like many of us land-lubbers, the physicist had assumed that light-making among ocean creatures is an exotic and rare phenomenon. But that’s wrong. The majority of animals in the ocean — which means the majority of animals on the planet — are capable of making light. From top to bottom, the ocean is absolutely teeming with unforgettably beautiful and extraordinarily diverse light shows made by living things that we’re only beginning to understand. There are deep-sea shrimp that spew glowing mucus like fire-breathing dragons to distract predators. Single-celled algae that glitter en masse as a form of burglar alarm. Crustaceans that put on complex, twinkling courtship displays. Fish that counter-illuminate their bodies to match the water above them for camouflage from creatures looking up from below. Squids that backlight their body tissue in flickering patterns that seem to coordinate group hunting. These are just a few examples of the roughly 75 percent of ocean animals that can make their own light. According to Dr. Widder, there are possibly quadrillions of light-producing fish in our seas.

Deep-sea shrimp, Heterocarpus ensifer, releasing bioluminescent “spew.” (Photos by Sönke Johnsen and Katie Thomas, licensed under CC-BY-SA-2.0.)

Ep. 36 – Rebecca Giggs on the world in the whale

YaleUniversity · Ep. 36 – Rebecca Giggs on the world in the whale

*“A whale is a wonder not because it’s the world’s biggest animal, but because it augments our moral capacity.”* – Rebecca Giggs (Photo by Leanne Dixon.)

In her genius debut book Fathoms: The World in the Whale, writer Rebecca Giggs introduces readers to blue whales that exhale canopies of vapor so high that their blowholes spout rainbows, to spade-toothed beaked whales that are so rare they’ve never been seen alive, and to sperm whales whose clinks are louder than the heaviest space rocket ever launched from Earth. In prose so deft it ought to be called poetry, Giggs describes scientific research on how whales shift the chemical makeup of our atmosphere, how they respond to solar storms that migrate vast unseen geomagnetic mountain ranges, and how a bestiary’s worth of fantastic creatures flourishes in whale carcasses as they sink to the ocean floor.

“Every species is a magic well,” E.O. Wilson wrote. “The more you draw from it, the more there is to draw.” But, as Fathoms illuminates, there’s more than just mystery and wonder in the wells these days. Animals’ bodies and lives are polluted with reminders of ourselves. Into these magic wells, we have dumped our plastics and our poisons. As one example, Giggs describes a sperm whale that washed up dead on Spain’s southern coast. In its ruptured digestive tract, scientists found an entire flattened greenhouse that once grew wintertime tomatoes, complete with plastic tarps, plastic mulch, hoses, ropes, two flower pots, and a spray canister. The whale had also swallowed an ice cream tub, mattress parts, a carafe, and a coat hanger. And that was just the obvious human refuse. Toxins build up in whale blubber over years such that the concentration of pollutants in some whale bodies far exceeds that of the environment around them. We have turned the world’s largest animals into hazardous waste. ‘‘Would we know it,” Giggs asks, “the moment when it became too late; when the oceans ceased to be infinite?”

In the past, Rebecca Giggs says, “we thought the sea was kind of timeless and it would remain as it was ever so. Now that we know that it’s not that way, we also need to recognize that our power to change is there too – that we are not condemned to be changeless. I hope that, while the extent of our influence is revealed to be vast, so then too is our capacity to withhold damage.”

Ep. 31 – Zak Smith on ending the international wildlife trade

Zak Smith, Senior Attorney for the Natural Resources Defense Council, works to safeguard some of the world’s most iconic and at-risk species.

Until recently, the wildlife trade, for many Americans, was a disturbing, but far-off, concern. Every so often, Twitter would erupt in outrage over pictures of someone engaged in trophy hunting, or the occasional Florida Man would have a run-in with an escaped pet python in the Everglades. But, over the last few months, the wildlife trade has hit very, very close to home, in one of the most disruptive possible ways. Many of the early COVID-19 cases were people who had direct exposure to a live animal market, where farmed and wild-caught exotic species were stacked in cages as they waited to be sold and slaughtered. This unnaturally close contact — among species that would rarely or never meet in any circumstance other than through the wildlife trade — creates ideal conditions for animal pathogens to jump species barriers.