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Amy Goodman: The Climate Marches On

Climate
Amy Goodman: The Climate Marches On

“Unjust laws exist.” So wrote Henry David Thoreau in his 1849 essay, “On the Duty of Civil Disobedience.” The naturalist and pacifist asked, “Shall we be content to obey them, or shall we endeavor to amend them, and obey them until we have succeeded, or shall we transgress them at once?” His answer was simple: “I say, break the law.”

One hundred and sixty-four years later, on May 15, 2013, Ken Ward Jr. and Jay O’Hara did just that. They navigated a small lobster boat, named “The Henry David T.,” to a point off the Massachusetts coast near the enormous Brayton Point Power Station, a coal-fired power plant built in 1963 that is the largest source of carbon emissions in the region. They dropped anchor and blocked access to the pier, preventing a cargo ship from unloading 40,000 tons of coal. They suspended banners from their boat reading “#CoalIsStupid” and “350,” a reference to the international climate action group 350.org. Three hundred fifty parts per million (ppm) is the concentration of carbon dioxide in the atmosphere that scientists feel is the maximum level that will allow the planet to avoid catastrophic human-induced climate change. Ward and O’Hara succeeded in blocking the coal shipment. From the boat, they reported themselves to the local police and were later arrested by the U.S. Coast Guard.

O’Hara, a Quaker and a sailmaker on Cape Cod, explained, “We were charged with ... disturbing the peace, conspiracy to disturb the peace, negligent operation of a motor vessel and a failure to act to avoid a collision of a boat.” They faced years in prison. They decided to mount a “necessity defense,” admitting that they broke the law, but claiming that they did so only to prevent a much greater harm, i.e., the burning of coal that increases global warming. Last Monday, Sept. 8, they finally went to court. Bristol County District Attorney Sam Sutter offered them a deal. He dropped all criminal charges against them in exchange for a guilty plea to a civil offense and a fine. D.A. Sutter then went a step further—a few steps, actually, to the plaza in front of the courthouse, where he shocked the two defendants and close to 100 of their supporters with a short speech:

“The decision [we] reached today ... certainly took into consideration the cost to the taxpayers in Somerset, but was made with our concern for their children, the children of Bristol County and beyond, in mind. Climate change is one of the gravest crises our planet has ever faced. In my humble opinion, the political leadership on this issue has been gravely lacking ... we were able to reach an agreement that symbolizes our commitment at the Bristol County District Attorney’s Office to take a leadership role on this issue.”

Sutter’s incredible demonstration of political leadership is timely, indeed. This week, the World Meteorological Organization released its latest Greenhouse Gas Bulletin, packed with dire statistics about the accelerating threat of climate change. “The amount of greenhouse gases in the atmosphere reached a new record high in 2013,” the WMO reported, with current concentration of carbon dioxide at 396 ppm. The WMO also warned, ominously, “The current rate of ocean acidification appears unprecedented at least over the last 300 million years.” Defendant Ken Ward, a former deputy director of Greenpeace USA, noting the urgency he feels for the climate, told me, “We should ... be taking emergency actions everywhere we can. And the very first emergency action is to stop burning coal.”

Henry David Thoreau is best known for his book “Walden,” in which he describes the year he spent living in a cabin he built on Walden Pond, near Concord, Mass. Thoreau opposed the 1847 U.S. invasion of Mexico. He was a staunch opponent of slavery. To protest these violent policies, he decided he would not pay taxes. When he was jailed for his protest, he was visited by his friend, the poet Ralph Waldo Emerson. It is said that when Emerson asked, “Henry, what are you doing in there,” Thoreau replied, “Waldo, what are you doing out there?” Thoreau’s essay on civil disobedience was one of the first modern articulations of the resistance tactic of nonviolent noncooperation. His words and actions have inspired millions, among them Gandhi and Martin Luther King Jr.

The People’s Climate March will happen in New York City on Sunday, Sept. 21. Organizers expect it to be the largest march for the climate in history. The march’s slogan: “To Change Everything, We Need Everyone.” Sam Sutter says he’ll be there, as will the two activists he prosecuted. I asked the district attorney and the defendants if they would be marching together. They all smiled. Prosecutor Sutter said, “It’s certainly possible.” Jay O’Hara concurred, “Sounds like a plan.”

Denis Moynihan contributed research to this column.

Amy Goodman is the host of “Democracy Now!,” a daily international TV/radio news hour airing on more than 1,200 stations in North America. She is the co-author of “The Silenced Majority,” a New York Times best-seller.

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A net-casting ogre-faced spider. CBG Photography Group, Centre for Biodiversity Genomics / CC BY-SA 3.0

Just in time for Halloween, scientists at Cornell University have published some frightening research, especially if you're an insect!

The ghoulishly named ogre-faced spider can "hear" with its legs and use that ability to catch insects flying behind it, the study published in Current Biology Thursday concluded.

"Spiders are sensitive to airborne sound," Cornell professor emeritus Dr. Charles Walcott, who was not involved with the study, told the Cornell Chronicle. "That's the big message really."

The net-casting, ogre-faced spider (Deinopis spinosa) has a unique hunting strategy, as study coauthor Cornell University postdoctoral researcher Jay Stafstrom explained in a video.

They hunt only at night using a special kind of web: an A-shaped frame made from non-sticky silk that supports a fuzzy rectangle that they hold with their front forelegs and use to trap prey.

They do this in two ways. In a maneuver called a "forward strike," they pounce down on prey moving beneath them on the ground. This is enabled by their large eyes — the biggest of any spider. These eyes give them 2,000 times the night vision that we have, Science explained.

But the spiders can also perform a move called the "backward strike," Stafstrom explained, in which they reach their legs behind them and catch insects flying through the air.

"So here comes a flying bug and somehow the spider gets information on the sound direction and its distance. The spiders time the 200-millisecond leap if the fly is within its capture zone – much like an over-the-shoulder catch. The spider gets its prey. They're accurate," coauthor Ronald Hoy, the D & D Joslovitz Merksamer Professor in the Department of Neurobiology and Behavior in the College of Arts and Sciences, told the Cornell Chronicle.

What the researchers wanted to understand was how the spiders could tell what was moving behind them when they have no ears.

It isn't a question of peripheral vision. In a 2016 study, the same team blindfolded the spiders and sent them out to hunt, Science explained. This prevented the spiders from making their forward strikes, but they were still able to catch prey using the backwards strike. The researchers thought the spiders were "hearing" their prey with the sensors on the tips of their legs. All spiders have these sensors, but scientists had previously thought they were only able to detect vibrations through surfaces, not sounds in the air.

To test how well the ogre-faced spiders could actually hear, the researchers conducted a two-part experiment.

First, they inserted electrodes into removed spider legs and into the brains of intact spiders. They put the spiders and the legs into a vibration-proof booth and played sounds from two meters (approximately 6.5 feet) away. The spiders and the legs responded to sounds from 100 hertz to 10,000 hertz.

Next, they played the five sounds that had triggered the biggest response to 25 spiders in the wild and 51 spiders in the lab. More than half the spiders did the "backward strike" move when they heard sounds that have a lower frequency similar to insect wing beats. When the higher frequency sounds were played, the spiders did not move. This suggests the higher frequencies may mimic the sounds of predators like birds.

University of Cincinnati spider behavioral ecologist George Uetz told Science that the results were a "surprise" that indicated science has much to learn about spiders as a whole. Because all spiders have these receptors on their legs, it is possible that all spiders can hear. This theory was first put forward by Walcott 60 years ago, but was dismissed at the time, according to the Cornell Chronicle. But studies of other spiders have turned up further evidence since. A 2016 study found that a kind of jumping spider can pick up sonic vibrations in the air.

"We don't know diddly about spiders," Uetz told Science. "They are much more complex than people ever thought they were."

Learning more provides scientists with an opportunity to study their sensory abilities in order to improve technology like bio-sensors, directional microphones and visual processing algorithms, Stafstrom told CNN.

Hoy agreed.

"The point is any understudied, underappreciated group has fascinating lives, even a yucky spider, and we can learn something from it," he told CNN.

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