Thirty years after the nuclear disaster Greenpeace revisits the site and the Unit 4 with the New Safe Confinement (NSC or New Shelter). Denis Sinyakov / Greenpeace
The 1986 meltdown, which released radiation at least 100 times more powerful than the radiation released by the atom bombs dropped on Nagasaki and Hiroshima, rendered roughly 2,600 square kilometers of the area unsuitable for habitation. Greenpeace found that animals living within the exclusion zone have higher mortality rates, increased genetic mutations and decreased birth rate.
But in a twist of poetic justice, the Ukrainian government has expressed ambitions to turn 6,000 hectares within Chernobyl's "exclusion zone" into a renewable energy hub. The proposed plant would generate 1-gigawatt of solar power and 400-megawatts of biogas per year, the Guardian reported. The country is pushing for a six-month construction cycle.
PV-Tech, ecology minister Ostap Semerak has visited the European Bank for Reconstruction and Development (EBRD) with the plan. The proposal has since been issued to investment firms in the U.S., Canada and the UK. If it gets the green light, the renewable energy farm will generate about a third of the electricity that the former nuclear plant generated when it was running.
“The Chernobyl site has really good potential for renewable energy," Semerak said during an interview in London. “We already have high-voltage transmission lines that were previously used for the nuclear stations, the land is very cheap and we have many people trained to work at power plants. We have normal European priorities, which means having the best standards with the environment and clean energy ambitions."
Semerak said that two U.S. investment firms and four Canadian energy companies have already expressed interest in the Chernobyl's solar potential, the Guardian reported. The project is
estimated to cost between $1 and $1.5 billion.
"The EBRD may consider participating in the project so long as there are viable investment proposals and all other environmental matters and risks can be addressed to the bank's satisfaction," an EBRD representative said.
However "nothing is imminent," the spokesperson added. "We are keeping an open mind. But it's important not to read too much into it at this stage."
"The Ukraine has indicated it will open the exclusion zone, and we welcome that. Renewables are one of our priorities, and as soon and as long as they secure investment then we will discuss the project and provide co-financing," the bank rep said.
The renewable energy project isn't just good news for the environment, it will provide Ukraine some energy independence, as the country currently gets the bulk of its natural gas from Russia,
Business Insider pointed out.
If construction is approved, Chernobyl's solar farm will hold the title of "World's Largest Solar Plant" before Dubai's massive concentrated solar plant
catches up to it.
Dubai to Build World's Largest Concentrated Solar Power Plant https://t.co/rSqqIZWmrD @solarthermalmag @pvmagazine— EcoWatch (@EcoWatch)1465257909.0
The under-construction Mohammed bin Rashid Al Maktoum Solar Park in Dubai will produce 1 gigawatt of electricity by 2020 with ambitious expansion plans of 5 gigawatts by 2030.
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By Katherine Kornei
Clear-cutting a forest is relatively easy—just pick a tree and start chopping. But there are benefits to more sophisticated forest management. One technique—which involves repeatedly harvesting smaller trees every 30 or so years but leaving an upper story of larger trees for longer periods (60, 90, or 120 years)—ensures a steady supply of both firewood and construction timber.
A Pattern in the Rings<p>The <a href="https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/coppice-standards-0" target="_blank">coppice-with-standards</a> management practice produces a two-story forest, said <a href="https://www.researchgate.net/profile/Bernhard_Muigg" target="_blank">Bernhard Muigg</a>, a dendrochronologist at the University of Freiburg in Germany. "You have an upper story of single trees that are allowed to grow for several understory generations."</p><p>That arrangement imprints a characteristic tree ring pattern in a forest's upper story trees (the "standards"): thick rings indicative of heavy growth, which show up at regular intervals as the surrounding smaller trees are cut down. "The trees are growing faster," said Muigg. "You can really see it with your naked eye."</p><p>Muigg and his collaborators characterized that <a href="https://ltrr.arizona.edu/about/treerings" target="_blank">dendrochronological pattern</a> in 161 oak trees growing in central Germany, one of the few remaining sites in Europe with actively managed coppice-with-standards forests. They found up to nine cycles of heavy growth in the trees, the oldest of which was planted in 1761. The researchers then turned to a historical data set — more than 2,000 oak <a href="https://eos.org/articles/podcast-discovering-europes-history-through-its-timbers" target="_blank" rel="noopener noreferrer">timbers from buildings and archaeological sites</a> in Germany and France dating from between 300 and 2015 — to look for a similar pattern.</p>
A Gap of 500 Years<p>The team found wood with the characteristic coppice-with-standards tree ring pattern dating to as early as the 6th century. That was a surprise, Muigg and his colleagues concluded, because the first mention of this forest management practice in historical documents occurred only roughly 500 years later, in the 13th century.</p><p>It's probable that forest management practices were not well documented prior to the High Middle Ages (1000–1250), the researchers suggested. "Forests are mainly mentioned in the context of royal hunting interests or donations," said Muigg. Dendrochronological studies are particularly important because they can reveal information not captured by a sparse historical record, he added.</p><p>These results were <a href="https://www.nature.com/articles/s41598-020-78933-8" target="_blank">published in December in <em>Scientific Reports</em></a>.</p><p>"It's nice to see the longevity and the history of coppice-with-standards," said <a href="https://www.teagasc.ie/contact/staff-directory/s/ian-short/" target="_blank">Ian Short</a>, a forestry researcher at Teagasc, the Agriculture and Food Development Authority in Ireland, not involved in the research. This technique is valuable because it promotes conservation and habitat biodiversity, Short said. "In the next 10 or 20 years, I think we'll see more coppice-with-standards coming back into production."</p><p>In the future, Muigg and his collaborators hope to analyze a larger sample of historic timbers to trace how the coppice-with-standards practice spread throughout Europe. It will be interesting to understand where this technique originated and how it propagated, said Muigg, and there are plenty of old pieces of wood waiting to be analyzed. "There [are] tons of dendrochronological data."</p><p><em><a href="mailto:email@example.com" target="_blank" rel="noopener noreferrer">Katherine Kornei</a> is a freelance science journalist covering Earth and space science. Her bylines frequently appear in Eos, Science, and The New York Times. Katherine holds a Ph.D. in astronomy from the University of California, Los Angeles.</em></p><p><em>This story originally appeared in <a href="https://eos.org/articles/tree-rings-reveal-how-ancient-forests-were-managed" target="_blank">Eos</a></em> <em>and is republished here as part of Covering Climate Now, a global journalism collaboration strengthening coverage of the climate story.</em></p>
Earth's ice is melting 57 percent faster than in the 1990s and the world has lost more than 28 trillion tons of ice since 1994, research published Monday in The Cryosphere shows.
By Jewel Fraser
Noreen Nunez lives in a middle-class neighborhood that rises up a hillside in Trinidad's Tunapuna-Piarco region.