BREAKING: Eight Blockaders Start Indefinite Tree Sit to Stop Keystone XL Pipeline Construction
This morning eight people climbed 80 feet into trees in the path of Keystone XL construction, and pledged not to come down until the pipeline is stopped for good. Construction cannot proceed until tree-sitters descend as TransCanada clear-cuts through hundreds of trees to make way for the toxic tar sands pipeline.
The blockade is carefully organized to ensure that everyone sitting in the trees can remain safe as long as TransCanada does not attempt to continue clear-cutting the trees. These ardent advocates of landowner’s rights and climate justice have the safety equipment and food supplies to last indefinitely.
“Today I climbed a tree in the path of Keystone XL to demand TransCanada stop construction of this dirty and dangerous pipeline. This pipeline is a disaster for everyone it touches, from the cancer tar sands extraction is causing indigenous communities to the water poisoned by inevitable tar sands spills to the landowners whose land has been seized and to everyone that will be affected by climate change,” said Mary Washington, one of the Tar Sands Blockade members sitting in a tree.
It’s not easy to see our friends disappear up a tree, exposed to the elements and not know when we will see them again. But knowing what this pipeline is doing to our neighbors and the planet, we are more resolved than ever to keep fighting this pipeline by whatever means we can.
This blockade is a continuation of an unprecedented summer of actions against fossil fuel infrastructure across America, from Montana to Ohio to New York. As a record heat wave baked the country, Americans stood up in unheard of numbers to oppose fossil fuels that are contributing to climate change.
Climate change killed half a billion trees in Texas last year, and if TransCanada cuts these down, than the dirty oil they send down the pipeline will trigger yet more out-of-control warming,” said climate activist Bill McKibben, who helped lead huge protests in Washington, DC against the pipeline last fall.
“Today’s bold action by these eight brave people demonstrates their resolve to stop this dirty and dangerous pipeline. They understand the severity of the threat and that taking action is less risky than doing nothing,” said Ron Seifert, a spokesperson with Tar Sands Blockade. “We are defending our homes, our communities clean drinking water, our land rights and a stable, livable climate.”
Visit EcoWatch’s KEYSTONE XL page for more related news on this topic.
Sweden's reindeer have a problem. In winter, they feed on lichens buried beneath the snow. But the climate crisis is making this difficult. Warmer temperatures mean moisture sometimes falls as rain instead of snow. When the air refreezes, a layer of ice forms between the reindeer and their meal, forcing them to wander further in search of ideal conditions. And sometimes, this means crossing busy roads.
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By Aaron W Hunter
A chance discovery of a beautifully preserved fossil in the desert landscape of Morocco has solved one of the great mysteries of biology and paleontology: how starfish evolved their arms.
The Pompeii of palaeontology. Aaron Hunter, Author provided<h2></h2><p>Although starfish might appear very robust animals, they are typically made up of lots of hard parts attached by ligaments and soft tissue which, upon death, quickly degrade. This means we rely on places like the Fezouata formations to provide snapshots of their evolution.</p><p>The starfish fossil record is patchy, especially at the critical time when many of these animal groups first appeared. Sorting out how each of the various types of ancient starfish relate to each other is like putting a puzzle together when many of the parts are missing.</p><h2>The Oldest Starfish</h2><p><em><a href="https://www.biorxiv.org/content/10.1101/216101v1.full.pdf" target="_blank" rel="noopener noreferrer">Cantabrigiaster</a></em> is the most primitive starfish-like animal to be discovered in the fossil record. It was discovered in 2003, but it has taken over 17 years to work out its true significance.</p><p>What makes <em>Cantabrigiaster</em> unique is that it lacks almost all the characteristics we find in brittle stars and starfish.</p><p>Starfish and brittle stars belong to the family Asterozoa. Their ancestors, the Somasteroids were especially fragile - before <em>Cantabrigiaster</em> we only had a handful of specimens. The celebrated Moroccan paleontologist Mohamed <a href="https://doi.org/10.1016/j.palaeo.2016.06.041" target="_blank" rel="noopener noreferrer">Ben Moula</a> and his local team was instrumental in discovering <a href="https://www.sciencedirect.com/science/article/abs/pii/S0031018216302334?via%3Dihub" target="_blank" rel="noopener noreferrer">these amazing fossils</a> near the town of Zagora, in Morocco.</p><h2>The Breakthrough</h2><p>Our breakthrough moment came when I compared the arms of <em>Cantabrigiaster</em> with those of modern sea lilles, filter feeders with long feathery arms that tend to be attached to the sea floor by a stem or stalk.</p><p>The striking similarity between these modern filter feeders and the ancient starfish led our team from the University of Cambridge and Harvard University to create a new analysis. We applied a biological model to the features of all the current early Asterozoa fossils in existence, along with a sample of their closest relatives.</p>
Cantabrigiaster is the most primitive starfish-like animal to be discovered in the fossil record. Aaron Hunter, Author provided<p>Our results demonstrate <em>Cantabrigiaster</em> is the most primitive of all the Asterozoa, and most likely evolved from ancient animals called crinoids that lived 250 million years before dinosaurs. The five arms of starfish are a relic left over from these ancestors. In the case of <em>Cantabrigiaster</em>, and its starfish descendants, it evolved by flipping upside-down so its arms are face down on the sediment to feed.</p><p>Although we sampled a relatively small numbers of those ancestors, one of the unexpected outcomes was it provided an idea of how they could be related to each other. Paleontologists studying echinoderms are often lost in detail as all the different groups are so radically different from each other, so it is hard to tell which evolved first.</p>
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