Several environmental groups sued the Trump administration over its regulatory changes to a landmark conservation law, the National Environmental Policy Act./Credit:	Drew Angerer/Getty Images

Several environmental groups sued the Trump administration over its regulatory changes to a landmark conservation law, the National Environmental Policy Act./Credit: Drew Angerer/Getty Images

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Environmental groups sue over Trump's highly touted changes to landmark regulations

Several environmental groups sued the Trump administration on Thursday over its regulatory changes to a landmark conservation law, the National Environmental Policy Act.