Mark W. Schwartz | Lightnews

BOYCOTT REDWOOD NOW! On June 24, Secretary Brooke Rollins announced that the US Forest Service will rescind protections that prevent new road building and logging on some US Forest Service Lands. The....

Mark W. Schwartz @markschwartz.bsky.social · Jun 24

Boycott Redwood before it is too late! The Trump Admin is rescinding the 2001 Roadless Rule that secures much of our last remaining old-growth from logging.
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Mark Schwartz

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Mark W. Schwartz @markschwartz.bsky.social · May 18

Tomorrow is the last day to comment on Fed proposal to narrow the definition of Harm under the ESA. We need more comments. Just under 200k now.

www.federalregister.gov/documents/20...

Do it NOW!

Rescinding the Definition of “Harm” Under the Endangered Species Act

The U.S. Fish and Wildlife Service (FWS) and the National Marine Fisheries Service (NMFS) (collectively referred to as the Services or we) are proposing to rescind the regulatory definition of "harm" ...

www.federalregister.gov

Mark W. Schwartz @markschwartz.bsky.social · May 7

Do bioblitz events contribute to biodiversity knowledge? Yes they do. See the new paper by Katzer et al. Ryan Meyer and I discuss:

youtu.be/3ZHLLVFKv84?...

Biodiversity discovery using bioblitz

YouTube video by Innovations in Conservation Practice

In Defense of Federal Science

Mark W. Schwartz @markschwartz.bsky.social · Apr 29

It is time to stand up for Federal Science under the current administrative assault on Fed Research Institutions. Here is one avenue:
youtu.be/jiVMtIOLC9M

Mark W. Schwartz @markschwartz.bsky.social · Apr 26

Please watch this short video and help defend our National Park Service.

youtu.be/8EDPCYKYzCE?...

Defend NPS

The proposed new Federal ESA rule on "harm"

Mark W. Schwartz @markschwartz.bsky.social · Apr 23

The Trump Admin has proposed a rule to rescind the definition of harm to include endangered species habitat. You have until May 19 to submit a comment to the Fed. Please do so.

youtu.be/jt5I7OuQrZQ?...

Rescinding the Definition of “Harm” Under the Endangered Species Act

Mark W. Schwartz @markschwartz.bsky.social · Apr 22

Rescinding the ESA definition of harm: (www.federalregister.gov/documents/20...)
Please submit a comment on the Federal Register. You have until May 19. This would backtrack case law, represent an agency overruling the US Supreme Court, and would be incredibly damaging to biodiversity.

The U.S. Fish and Wildlife Service (FWS) and the National Marine Fisheries Service (NMFS) (collectively referred to as the Services or we) are proposing to rescind the regulatory definition of "harm" ...

www.federalregister.gov

Mark W. Schwartz @markschwartz.bsky.social · Apr 11

youtu.be/Y7cwfxEvok4?...

Avery Hill on Econative

YouTube video by Innovations in Conservation Practice

Why Judiciary Independence Matters to Conservation

Mark W. Schwartz @markschwartz.bsky.social · Mar 24

I just posted a video review on "Judiciary Independence: Why should Conservation Ecologists Care" (Keasar et al. 2025, Conservation Science and Practice): youtu.be/uEv6FmMgxmU as one in my series of videos on Research Innovations for Conservation Science (youtube@conservationresearchreviews)

YouTube video by Innovations in Conservation Practice

Your Chance to See. Episode 1. Introduction to the Series

Mark W. Schwartz @markschwartz.bsky.social · Mar 22

In an effort to keep things organized, I have sorted my videos on the wonders of local nature all around us into a channel: youtube.com@yourchancetosee.
Check it out: youtu.be/k1POnMNO_Hw?...

YouTube video by Your Chance to See

Your Chance to See. 3. West Michigan

Mark W. Schwartz @markschwartz.bsky.social · Feb 28

Your chance to see, episode 3. West Michigan. The series where I explore the value of local nature.

youtu.be/brpuudHEu9Y?...

Conversations on Conservation Practice: Translating eDNA into action

Mark W. Schwartz @markschwartz.bsky.social · Feb 19

Conservation is using eDNA more and more. A paper just came out describing how Elkhorn Slough led an effort to sample for amphibians and enlist more private landowners. I chat about the paper with UCLA herpetologist Brad Shaffer.

youtu.be/0CgXOAi5urU?...

Conversations on Conservation Practice. Influencing decisions. van Eeden et al. 2025

Mark W. Schwartz @markschwartz.bsky.social · Feb 16

Conversations on conservation practice. Reviewing van Eeden’s paper on pathways to better conservation decisions.

youtu.be/8DpjtA9AhEU?...

Your Chance to See Episode 2. Northeast Wyoming

Mark W. Schwartz @markschwartz.bsky.social · Feb 13

I explore the hypothesis that there is super cool nature that needs our attention no matter where one looks. The series is called: Your Chance to See. Episode 2, NE Wyoming is now posted: youtu.be/6hXrud1cS04

Thunder Basin Grassland Prairie Ecosystem.

Mark W. Schwartz @markschwartz.bsky.social · Feb 4

Ok. Working on this video thing. This is a redo of the video previously posted. Better version of the same thing, mostly.

m.youtube.com/watch?v=-tYi...

Your Chance to See

Your Chance to See. 1 Introduction.

m.youtube.com

Mark W. Schwartz @markschwartz.bsky.social · Feb 1

I am starting a series of videos championing local conservation. Your chance to see. Here is Episode 1 (of ~12). They will all be about 5 min. Promise.

youtu.be/-cPW5btQS7o