Mon.May 29, 2023

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Humans evolved to walk with an extra spring in our step


by Angharad Brewer Gillham, Frontiers science writer Image/ Scientists have discovered that the recoil created by the flexible arch of human feet helps position our legs in the optimal posture for moving forward in bipedal walking. Understanding how our joints help modern humans walk upright could help us track the evolution of bipedalism and improve care for patients with foot problems.

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The toxic reality of PFAS “forever chemicals” contamination in Canada

Enviromental Defense

Per- and polyfluoroalkyl substances (PFAS), also known as “forever chemicals,” are in our drinking water, our products, and even our bodies. It might sound like science fiction, but it’s an alarming reality. Earlier this month, the federal government issued a draft science report on PFAS in Canada and proposed action on PFAS-laden firefighting foams.


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Earth911 Podcast: ReUser Founder James Wilson Introduces a Reusable Takeout Packaging Service

Earth 911

Making circular living easy for people is the key to achieving our sustainability goals. The. The post Earth911 Podcast: ReUser Founder James Wilson Introduces a Reusable Takeout Packaging Service appeared first on Earth911.

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MEMO from: CAPP CEO and CEOs of the new oil sands Pathways Alliance

Enviromental Defense

MEMO From: CAPP CEO and CEOs of the new oil sands Pathways Alliance To: All employees of oil and gas companies, especially oil sands companies Note: This sarcastic take on an oil and gas industry memo is based on the experiences of several people who have worked for many years inside the industry Background We are at a pivotal time in history for our sector.

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Implementing D.E.J.I. Strategies in Energy, Environment, and Transportation

Speaker: Antoine M. Thompson, Executive Director of the Greater Washington Region Clean Cities Coalition

Diversity, Equity, Justice, and Inclusion (DEJI) policies, programs, and initiatives are critically important as we move forward with public and private sector climate and sustainability goals and plans. Underserved and socially, economically, and racially disadvantaged communities bear the burden of pollution, higher energy costs, limited resources, and limited investments in the clean energy and transportation sectors.

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May 29 PA Environment Digest Now Available

PA Environment Daily

The May 29 PA Environment Digest is now available. Click Here To View Or Print The Entire May 29 PA Environment Digest 99 New Stories - REAL Environmental & Conservation Leadership In PA Weekly List Of PA Environment & Energy Articles & NewsClips By Topic Choose Clean Water Coalition Recognizes 2023 Clean Water Champions PA Parks & Forests Foundation Recognizes 2023 Award Winners Penn State Wind Energy Club Takes 3rd Place In U.S.

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Plankton Generate a Cloudy Shield over the Antarctic

Scientific American

Southern Ocean phytoplankton help to brighten Earth’s clouds

Ocean 89
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U.S. Supreme Court Narrows the Scope of the Clean Water Act by Limiting EPA’s Jurisdiction over Wetlands


In Sackett v. EPA , 2023 WL 3632751 (U.S. May 23, 2023), the Supreme Court limited the authority of the United States Environmental Protection Agency (“EPA”) to regulate wetlands by embracing a “continuous surface connection test” to determine if adjacent wetlands are subject to the Clean Water Act (“CWA”) and explicitly rejecting Justice Kennedy’s “significant nexus” test from Rapanos v.