Kelp is a keystone in the ocean ecosystem. It's not entirely clear why the urchins have taken over, but there's optimism that the kelp devastation is temporary.
Biden's climate summit highlighted "nature-based solutions," but political and indigenous leaders agree native peoples should lead the way and researchers warn of pitfalls.
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President Biden has proposed spending $45 billion to replace every lead water pipe and service line in the nation. A public health expert explains why he sees this as a worthwhile investment.
St. Louis and Environmental Protection Agency officials are calling for the passage of President Joe Biden's jobs plan to help update the city's water treatment system to continue to provide safe drinking water.
A plan to recycle yard and food waste was among several climate measures passed Tuesday, including sustainability planning and a native landscaping policy.
The former LTV Coke Works in Hazelwood is one of the sites under consideration for a manufacturing plant being proposed by Nexii Building Solutions, a Canada-based green technology company.
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