Pennsylvania’s Energy Heritage
The Donora Smog
A Park within 25 Miles of Every Resident
Hurricane Agnes
1899 Alaska Expedition Diary
Racist Environmental Policies
Centralia Fire
Sun Power
Penn State Earth Days
1970 Environmental Teach-Ins
Inaction and Denial
Modern Climate Science
A Fable for Tomorrow
![Svante Arrhenius, Världarnas utveckling, Stockholm: Hugo Gebers Förlag, [1906]](https://eartharchives.psu.edu/files/2020/04/Varldarnas-Utveckling-Cover-980x980.jpg)
100 Years of Climate Science, 1856-1957
Frankenstein, the Arctic, and Climate Change
Marbled Paper Made from Polluted Waterways
Living with Climate Change
150-year-old Seaweed Specimens
WE ARE SUSTAINABLE: Student Environmental Activism at Penn State
Death’s in the Air
Other Donoras
Audubon’s Ruffed Grouse
All Hail the Lion
Microplastics in the Oceans
Fungal Futures
Poster for First Earth Day
Weather Diaries
Covenant of Reciprocity
Climate Change Dystopia
Ralph E. Brock, Forester
The Origins of Earth Day
The Virtues of Plants
Fossil Fuels
57 Years of Weather in Philadelphia
Ecological Treatise for Hunters
Penn State’s Living Filter
