Opinion | Are We Loving Our National Parks to Death? (Published 2016) With millions descending on the national parks each year, the tension between access and preservation becomes more strained.

Are We Loving Our National Parks to Death? "For the benefit and enjoyment of the people@NatlParkService #NPS100

nyti.ms/2baTS32

Opinion | National Monuments From Mr. Obama (Published 2016) The president is displaying a late-blooming enthusiasm on the environmental front.

NY Times: @POTUS is leaving an increasingly impressive environmental legacy. #NPS100

nytimes.com/2016/08/27/opi…

A live look at some National Parks as the #NPS100 celebration continues.
Webcams: http://www.nature.nps.gov/air/WebCams/index.cfm

Celebrating 100 yrs of National Parks w/ @ricky_martin @JakeNodar from #nakedandafraidxl at @Wolf_Trap_NPS #NPS100

I prefer more grass and meadows, but @GrandCanyonNPS was quite spectacular! #FursuitFriday #NPS100 x.com/EquusSilvermane/status/7...

Visit a national park; you never know what you'll find! #NPS100 #FursuitFriday #GGNRA x.com/NunavutTuktu/status/7691...

Arches National Park was beautiful at sunrise. Happy Birthday #NPS100!!!

Even the majesty of a unicorn pales in comparison to this! @YosemiteNPS #NPS100 #FursutiFriday x.com/EquusSilvermane/status/7...

I assume @Pres_Bartlet will spend today telling anyone that sits still for five minutes about the wonders of @NatlParkService #NPS100

Looking boldly forward to the next 💯 years. Happy Birthday @natlparkservice #nps100 @goparks… https://www.instagram.com/p/BJjFGaTgUcE/

Badlands National Park in SD. The plains just fall away, and a great layered expanse opens up. Breathtaking. #NPS100

A look at current conditions at some National Parks across the Country.
#NPS100 Webcams: http://www.nature.nps.gov/air/WebCams/index.cfm

Here's to hundreds more #NPS100 #wanderlust

❤️ this: "Absolutely American, absolutely democratic, they reflect us at our best rather than our worst."  #NPS100

x.com/atlasobscura/s…

Favorite park moment: Yosemite. I wanted to stop time and stay there forever. #NPS100

Happy National Park Services Centennial! 100 years! #FindYourPark in #Colorado. I have. #NPS100

This year saw @AcadiaNPS, @ShenandoahNPS & @AssateagueNPS, plans 4 @GrandTetonNPS, @PinnaclesNPS & @DeathValleyNPS @NatlParkService #NPS100

The #NPS100 blanket square, a #knitting project benefiting the @GoParks! Learn more here: http://ow.ly/kKsN303zX7P

brief aspirations - Imagine this is a #tbt to the pic of ... Imagine this is a #tbt to the pic of me in Rocky Mtn Nati...

Imagine this is a #tbt to the pic of me in Rocky Mtn National Park since I don’t have it digitized #NPS100 https://tmblr.co/ZqTlby2BCjPKC

Happy 100th bithday @NatlParkService! #FindYourPark #NPS100

Happy Birthday, @NatlParkService. You're still America's best idea. #NPS100 #tbt

Home DemandScience is a leading global revenue intelligence pl...

The latest Pellicanadas! paper.li/Marcie14/1436215241 #italyearthquake #nps100

Stereoscopic gif #NPS100 https://twitter.com/cbquist/status/768803500927123456

La ‘mejor idea de América’ cumple cien años Hace un siglo EE UU aprobó la ley que creaba su sistema de parques nacionales Era su respuesta a la Europa de los museos y las catedrales medievales

La ‘mejor idea de América’ cumple cien años @NatlParkService #NPS100

cultura.elpais.com/cultura/2016/0…

Centennial (U.S. National Park Service) The National Park Service turned 100 on August 25, 2016, and we celebrated throughout the year with our partners and visitors across the country.

Centennial. Happy 100th birthday National Park Service! @NatlParkService #NPS100

nps.gov/subjects/cente…

Effects of protected area downsizing on habitat fragmentation in Yosemite National Park (USA), 1864 – 2014 Golden Kroner, R. E., R. Krithivasan, and M. B. Mascia. 2016. Effects of protected area downsizing on habitat fragmentation in Yosemite National Park (USA), 1864 – 2014. Ecology and Society 21(3):22.http://dx.doi.org/10.5751/ES-08679-210322

New study: impacts of downsizing on Yosemite National Park#PADDD #NPS100 @RachGolden @roopa_krithi @ConservationOrg

ecologyandsociety.org/vol21/iss3/art…

Star trails over Half Dome in Yosemite

#yosemite #halfdome #california #landscape #nps100…

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Day 146: Gave a talk to interpreters about @AcadiaNPS paleoecology. I got a lovely mug! #365scienceselfies #nps100