Pittsburgh to Replace Thousands of Lead Drinking Water Pipes
Under an agreement negotiated by community groups — represented by NRDC and the Pennsylvania Utility Law Project — the Pittsburgh Water and Sewer Authority (PWSA) will remove thousands of lead water pipes by 2026 in order to address the chronically high lead levels in the city's drinking water and protect residents' health.
"During this global pandemic more than ever, it's critical that PWSA provide safe drinking water to all city residents, that residents in Pittsburgh continue to have significant say over how ratepayer dollars are spent, and that we do everything we can to take care of the most vulnerable people in our communities," said Jennifer Rafanan Kennedy, executive director of Pittsburgh United, a coalition of labor, faith and environmental groups that helped negotiate the settlement.
Under the settlement, which was recently approved by the Pennsylvania Public Utility Commission, PWSA must prioritize replacement for residents in high-risk neighborhoods. It must also limit the practice of replacing only part of a lead service line, which can cause lead levels to substantially increase.
PWSA will also expand its free tap water filter program to include low-income renters whose homes may have lead lines, homes with lead lines where PWSA replaces a water meter, and any customer whose tap water contains at least 10 parts per billion of lead.
"The aggressive steps to get the lead out of Pittsburgh outlined in the settlement are necessary to protect the health of children and families," said NRDC attorney Pete DeMarco. "The burdens of lead-contaminated water fall most heavily on low-income families and communities of color, which is why it is so important to prioritize lead service line replacements in those neighborhoods where residents are at greatest risk."
Pittsburgh's drinking water has been contaminated with lead since at least 2016, with levels above the federal action limit in five out of the last eight testing periods. There is no safe level of lead exposure: The heavy metal can cause serious and irreversible damage to the body, affecting the nervous system, fertility and cognitive ability, among other functions, and posing a particularly high risk for children.
Pittsburgh is just the latest in a growing list of cities facing drinking water crises, such as Flint, Michigan, and Newark, New Jersey. In 2016, NRDC analysis indicated that more than 18 million people were being served by 5,363 community water systems that violated the Lead and Copper Rule. But Pittsburgh United said that the settlement could now provide a model for other cities with lead-contaminated drinking water. "Safe water is a right, not a luxury," Kennedy says. "Although work remains to be done to ensure all customers have access to safe and affordable service, this settlement puts PWSA on a path to replacing all residential lead service lines."
Pittsburgh residents who would like to know whether their home is serviced by a lead water line that is slated to be replaced or whether they are eligible for a free filter can contact PWSA's lead help desk at 412-255-8987 or [email protected].
Reposted with permission from Natural Resources Defense Council.
- 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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