By SARAH KAPLAN AND JULIET EILPERIN | The Washington Post | Published: May 6, 2021 WASHINGTON — Months after President Joe Biden set a goal of conserving 30% of the nation's land and waters by 2030, the administration on Thursday laid out broad principles — but few details — for achieving that vision. The new 22-page document from the Departments of Commerce, Interior and Agriculture highlights one of the Biden administration's central challenges: Having committed to bold environmental goals during their early days in power, officials now face the more uncertain and contentious task of figuring out how to follow through on those ambitions. The "America the Beautiful" report outlines steps the United States could take to protect key areas on land and in the sea to restore biodiversity, tackle climate change and make natural spaces more accessible to all Americans.