![From Walden to Now: A Look at the Environmental Movement in the USA | University of Maryland Center for Environmental Science From Walden to Now: A Look at the Environmental Movement in the USA | University of Maryland Center for Environmental Science](https://www.umces.edu/sites/default/files/ian/blog/Untitled-1-01.png)
From Walden to Now: A Look at the Environmental Movement in the USA | University of Maryland Center for Environmental Science
![Aldo Garza on Twitter: "Is it me or is Mrs. Marshall wanting me to kill her.. #stickynote #walden #rhetoricaldevices #imdone" Aldo Garza on Twitter: "Is it me or is Mrs. Marshall wanting me to kill her.. #stickynote #walden #rhetoricaldevices #imdone"](https://pbs.twimg.com/profile_images/885361426826747904/_G22u76T_400x400.jpg)
Aldo Garza on Twitter: "Is it me or is Mrs. Marshall wanting me to kill her.. #stickynote #walden #rhetoricaldevices #imdone"
![Dear EarthTalk: The environmental movement was built on the philosophies of people like Henry David Thoreau, Aldo Leopold and Rachel Carson. But who are the great environmental visionaries of our own Dear EarthTalk: The environmental movement was built on the philosophies of people like Henry David Thoreau, Aldo Leopold and Rachel Carson. But who are the great environmental visionaries of our own](https://epmgaa.media.clients.ellingtoncms.com/img/croppedphotos/2017/03/20/earthtalkwinona_t750x550.jpg?d885fc46c41745b3b5de550c70336c1b382931d2)