Tanker Crosses Arctic Without Icebreaker for First Time Due to Rapid Melting of Sea Ice
In the Arctic, where warming is happening twice as fast as the rest of the planet, a Russian tanker sailed across the Northern Sea Route in record speed and without the aid of an icebreaker for the first time.
On its maiden journey, the 984-foot Christophe de Margerie tanker transported liquefied natural gas from Norway to South Korea in 19 days, about 30 percent faster than the regular route through the Suez Canal, the ship's owner Sovcomflot boasted.
Crossing the Northern Sea Route, the northernmost part of the voyage, took only 6.5 days. The ship's average speed during the passage exceeded 14 knots despite sailing through ice fields 1.2 meters (4 feet) thick and "[demonstrated] the economic potential of using the Northern Sea Route for large-capacity vessel transits," Sovcomflot said.
Typically, shipping tankers are accompanied by icebreakers that clear paths through thick layers of ice. But the Christophe de Margerie, named after the former CEO of Total, is designed to sail independently through ice of up to 2.1 meters (7 feet) thick.
As the New York Times pointed out, the Northern Sea Route had historically been impossible or prohibitively expensive to cross due to the region's thick sea ice. Sailors used to only set sail when the ice was thin in the summer.
However, the world's rapidly rising temperatures have significantly thawed Arctic ice, and now Sovcomflot believes it could potentially make the journey "year-round in the difficult ice conditions."
The Christophe de Margerie is the first of 15 such shipping tankers expected to be built, the Guardian reported.
"This is the paradox of climate change," Ben Ayliffe, a campaigner for Greenpeace, told CNN Money. "The fossil fuels we're burning are allowing access into areas that were previously protected by ice."
Ayliffe further commented that increased sea traffic in the region could lead to a fuel spill virtually impossible to clean up.
Similarly, John Maggs from Seas at Risk told BBC: "We're concerned that this is a commercial opportunity that has only opened up because of global warming, and we're especially concerned that having taken advantage of the thinning of the ice, shipping operations are now expanding in that part of the world."
- Redwoods are the world's tallest trees.
- Now scientists have discovered they are even bigger than we thought.
- Using laser technology they map the 80-meter giants.
- Trees are a key plank in the fight against climate change.
They are among the largest trees in the world, descendants of forests where dinosaurs roamed.
Pixabay / Simi Luft<p><span>Until recently, measuring these trees meant scaling their 80 meter high trunks with a tape measure. Now, a team of scientists from University College London and the University of Maryland uses advanced laser scanning, to create 3D maps and calculate the total mass.</span></p><p>The results are striking: suggesting the trees <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">may be as much as 30% larger than earlier measurements suggested.</a> Part of that could be due to the additional trunks the Redwoods can grow as they age, <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">a process known as reiteration</a>.</p>
New 3D measurements of large redwood trees for biomass and structure. Nature / UCL<p>Measuring the trees more accurately is important because carbon capture will probably play a key role in the battle against climate change. Forest <a href="https://www.wri.org/blog/2020/09/carbon-sequestration-natural-forest-regrowth" target="_blank">growth could absorb billions of tons</a> of carbon dioxide from the atmosphere each year.</p><p>"The importance of big trees is widely-recognised in terms of carbon storage, demographics and impact on their surrounding ecosystems," the authors wrote<a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank"> in the journal Nature</a>. "Unfortunately the importance of big trees is in direct proportion to the difficulty of measuring them."</p><p>Redwoods are so long lived because of their ability to <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">cope with climate change, resist disease and even survive fire damage</a>, the scientists say. Almost a fifth of their volume may be bark, which helps protect them.</p>
Carbon Capture Champions<p><span>Earlier research by scientists at Humboldt University and the University of Washington found that </span><a href="https://www.sciencedirect.com/science/article/pii/S0378112716302584" target="_blank" rel="noopener noreferrer">Redwood forests store almost 2,600 tonnes of carbon per hectare</a><span>, their bark alone containing more carbon than any other neighboring species.</span></p><p>While the importance of trees in fighting climate change is widely accepted, not all species enjoy the same protection as California's coastal Redwoods. In 2019 the world lost the equivalent of <a href="https://www.worldwildlife.org/threats/deforestation-and-forest-degradation" target="_blank" rel="noopener noreferrer">30 soccer fields of forest cover every minute</a>, due to agricultural expansion, logging and fires, according to The Worldwide Fund for Nature (WWF).</p>
Pixabay<p>Although <a href="https://c402277.ssl.cf1.rackcdn.com/publications/1420/files/original/Deforestation_fronts_-_drivers_and_responses_in_a_changing_world_-_full_report_%281%29.pdf?1610810475" target="_blank" rel="noopener noreferrer">the rate of loss is reported to have slowed in recent years</a>, reforesting the world to help stem climate change is a massive task.</p><p><span>That's why the World Economic Forum launched the Trillion Trees Challenge (</span><a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a><span>) and is engaging organizations and individuals across the globe through its </span><a href="https://uplink.weforum.org/uplink/s/uplink-issue/a002o00000vOf09AAC/trillion-trees" target="_blank" rel="noopener noreferrer">Uplink innovation crowdsourcing platform</a><span> to support the project.</span></p><p>That's backed up by research led by ETH Zurich/Crowther Lab showing there's potential to restore tree coverage across 2.2 billion acres of degraded land.</p><p>"Forests are critical to the health of the planet," according to <a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a>. "They sequester carbon, regulate global temperatures and freshwater flows, recharge groundwater, anchor fertile soil and act as flood barriers."</p><p><em data-redactor-tag="em" data-verified="redactor">Reposted with permission from the </em><span><em data-redactor-tag="em" data-verified="redactor"><a href="https://www.weforum.org/agenda/2021/03/redwoods-store-more-co2-and-are-more-enormous-than-we-thought/" target="_blank">World Economic Forum</a>.</em></span></p>
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