Editing Lyndon B. Johnson (section)

===Environment===
{{further|Presidency of Lyndon B. Johnson#Environment}}
[[File:Clean Air Act Signing edited cropped.jpg|thumb|Johnson signing the Clean Air Act]]
During his tenure as president, Johnson signed over 300 [[Conservation movement|conservation]] measures into law, forming the legal basis of the modern environmental movement.<ref>{{cite web |url=https://www.nps.gov/lyjo/planyourvisit/upload/environmentcs2.pdf|title=Lyndon B. Johnson and the Environment|publisher=National Park Service|accessdate=March 24, 2022}}</ref> He signed into law the [[Clean Air Act (United States)|Clean Air Act of 1963]], which had been proposed by President Kennedy. The Clean Air Act set [[United States emission standards|emission standards]] for stationary emitters of air pollutants and directed federal funding to air quality research.<ref>Mackenzie and Weisbrot (2008), pp. 213–214</ref> In 1965, the act was amended by the [[Motor Vehicle Air Pollution Control Act]], which directed the federal government to establish and enforce national [[Automobile emissions control|standards for controlling the emission of pollutants]] from new motor vehicles and engines.<ref>{{cite journal| title=Control of Motor Vehicle Emissions: State or Federal Responsibility?| last=Adelman| first=S. Allan| journal=Catholic University Law Review| volume=20| issue=1| date=Fall 1970| pages=157–170| publisher=Columbus School of Law, The Catholic University of America| location=Washington, D.C.| access-date=June 18, 2017| url=http://scholarship.law.edu/cgi/viewcontent.cgi?article=2759&context=lawreview}}</ref> In September 1964, Johnson signed the [[Wilderness Act]], which established the [[National Wilderness Preservation System]] (preserving 9.1 million acres of [[forestland]] from industrial development),<ref>Mackenzie and Weisbrot (2008), pp. 204–207</ref><ref>{{cite web |title=Lyndon Johnson's "Great Society" |url=https://www.ushistory.org/us/56e.asp |website=U.S. History: From Pre-Columbian to the New Millennium. |access-date=February 2, 2024}}</ref> and signed a law establishing the [[Land and Water Conservation Fund]], which aids the purchase of land used for federal and state parks.<ref>{{cite web |title=Land & Water Conservation Fund |url=https://www.forestsociety.org/advocacy-issue/land-water-conservation-fund |website=Forest Society |access-date=February 3, 2024}}</ref><ref>{{cite web |title=Anniversary of the Wilderness Act and Land and Water Conservation Bill |url=https://www.govinfo.gov/features/wilderness-act |website=[[GovInfo]] |access-date=February 3, 2024}}</ref>

In 1965, First Lady [[Lady Bird Johnson]] took the lead in calling for passage of the [[Highway Beautification Act]].<ref>Mackenzie and Weisbrot (2008), pp. 208–209</ref> The act called for control of [[outdoor advertising]], including removal of certain types of signs, along the nation's growing [[Interstate Highway System]] and the existing [[federal-aid primary highway system]]. It also required certain [[junkyards]] along Interstate or primary highways to be removed or screened and encouraged scenic enhancement and roadside development.<ref>{{cite web |title=How the Highway Beautification Act Became a Law |url=https://www.fhwa.dot.gov/infrastructure/beauty.cfm |website=U.S. Department of Transportation}}{{PD-notice}}</ref>