Companies › Center for Biological Diversity

Center for Biological Diversity

Nonprofit or advocacy group Environment & Conservation

Center for Biological Diversity is listed as a nonprofit or advocacy group in Environment & Conservation. It has filed 70 comment letters on 54 proposed federal rules between 2025 and 2026, most often with the Fish and Wildlife Service. Of those rules, 5 rules became final and 1 was withdrawn.

Type
Nonprofit or advocacy group
Industry
Environment & Conservation
Comment letters
70
Rules commented on
54
First letter
2025-02-10
Latest letter
2026-09-28
Agencies most often
Fish and Wildlife Service (33); Energy Department (27); National Oceanic and Atmospheric Administration (8)

Activity by year

202552
202618

Letters

2026

Endangered and Threatened Wildlife and Plants; Removal of Gila Chub From the List of Endangered and Threatened Wildlife

FWS-R2-ES-2022-0001Interior Department, Fish and Wildlife Service · filed 2026-09-28

Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for the Kern Canyon Slender Salamander and Endangered Species Status for the Relictual Slender Salamander; Designation of Critical Habitat

FWS-R8-ES-2022-0081Interior Department, Fish and Wildlife Service · filed 2026-09-02

Endangered and Threatened Wildlife and Plants; Grizzly Bear Listing on the List of Endangered and Threatened Wildlife With a Revised Section 4(d) Rule; Proposed Revision of the Protective Regulations Under Section 4(d)

FWS-R6-ES-2024-0186Interior Department, Fish and Wildlife Service · filed 2026-08-25

National Wildlife Refuge System; 2026-2027 Station-Specific Hunting and Sport Fishing Regulations

FWS-HQ-NWRS-2026-1223Interior Department, Fish and Wildlife Service · filed 2026-06-29 Final rule 2026

National Wildlife Refuge System; 2026-2027 Station-Specific Hunting and Sport Fishing Regulations

FWS-HQ-NWRS-2026-1223Interior Department, Fish and Wildlife Service · filed 2026-06-29 Final rule 2026

National Wildlife Refuge System; 2026-2027 Station-Specific Hunting and Sport Fishing Regulations

FWS-HQ-NWRS-2026-1223Interior Department, Fish and Wildlife Service · filed 2026-06-29 Final rule 2026

Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for 22 Species in the Commonwealth of the Northern Mariana Islands and the Territory of Guam

FWS-R1-ES-2024-0194Interior Department, Fish and Wildlife Service · filed 2026-06-22

Zero-Based Regulating

DOE-HQ-2025-0603Energy Department · filed 2026-06-22 Withdrawn 2026

Zero-Based Regulating

DOE-HQ-2025-0603Energy Department · filed 2026-06-22 Withdrawn 2026

Endangered and Threatened Wildlife and Plants; Endangered Species Status for Jamaican Kite Swallowtail

FWS-HQ-ES-2026-0397Interior Department, Fish and Wildlife Service · filed 2026-06-16

Fisheries of the Caribbean, Gulf of America, and South Atlantic; Snapper-Grouper Fishery of the South Atlantic; Regulatory Amendment 36

NOAA-NMFS-2025-0339Commerce Department, National Oceanic and Atmospheric Administration · filed 2026-05-28

Endangered and Threatened Wildlife and Plants; Removal of the North Park Phacelia From the List of Endangered and Threatened Plants

FWS-R6-ES-2023-0114Interior Department, Fish and Wildlife Service · filed 2026-05-28

Endangered and Threatened Wildlife and Plants; Removal of Geocarpon Minimum From the List of Endangered and Threatened Plants

FWS-R4-ES-2024-0043Interior Department, Fish and Wildlife Service · filed 2026-04-28

Definition of Shellfish; Inclusion of Cephalopods

FWS-HQ-LE-2026-0628Interior Department, Fish and Wildlife Service · filed 2026-04-03 Final rule 2026

Endangered and Threatened Wildlife and Plants; Status Review for the Lesser Prairie-Chicken

FWS-R2-ES-2025-1661Interior Department, Fish and Wildlife Service · filed 2026-03-31

Endangered and Threatened Wildlife and Plants; Status Review for the Lesser Prairie-Chicken

FWS-R2-ES-2025-1661Interior Department, Fish and Wildlife Service · filed 2026-03-31

Magnuson-Stevens Act Provisions; Fisheries Off West Coast States; Pacific Coast Groundfish Fishery; Pacific Coast Groundfish Fishery Management Plan; Fixed Gear Marking and Entanglement Risk Reduction

NOAA-NMFS-2024-0045Commerce Department, National Oceanic and Atmospheric Administration · filed 2026-03-10

Endangered and Threatened Wildlife and Plants; Endangered Species Status for Fish Lake Valley Tui Chub

FWS-R8-ES-2024-0207Interior Department, Fish and Wildlife Service · filed 2026-03-06

2025

Endangered and Threatened Wildlife and Plants; Interagency Cooperation Regulations

FWS-HQ-ES-2025-0044Interior Department, Fish and Wildlife Service, Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-12-23

Endangered and Threatened Wildlife and Plants; Removal of Virginia Sneezeweed From the List of Endangered and Threatened Plants

FWS-R5-ES-2024-0058Interior Department, Fish and Wildlife Service · filed 2025-11-13

Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for the Borneo Earless Monitor

FWS-HQ-ES-2025-0110Interior Department, Fish and Wildlife Service · filed 2025-11-13

Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for the Borneo Earless Monitor

FWS-HQ-ES-2025-0110Interior Department, Fish and Wildlife Service · filed 2025-11-13

Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for the Borneo Earless Monitor

FWS-HQ-ES-2025-0110Interior Department, Fish and Wildlife Service · filed 2025-11-13

Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for the Borneo Earless Monitor

FWS-HQ-ES-2025-0110Interior Department, Fish and Wildlife Service · filed 2025-11-13

Deep Seabed Mining: Revisions to Regulations for Exploration License and Commercial Recovery Permit Applications

NOAA-NOS-2025-0108Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-09-05

Deep Seabed Mining: Revisions to Regulations for Exploration License and Commercial Recovery Permit Applications

NOAA-NOS-2025-0108Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-09-05

Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Alaska LNG Project in Cook Inlet

NOAA-NMFS-2025-0141Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-09-02

Endangered and Threatened Wildlife and Plants; Endangered Species Status for Barrens Darter

FWS-R4-ES-2025-0033Interior Department, Fish and Wildlife Service · filed 2025-08-29

Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Alaska LNG Project in Cook Inlet

NOAA-NMFS-2025-0141Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-08-28

Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Alaska LNG Project in Cook Inlet

NOAA-NMFS-2025-0141Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-08-28

Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Alaska LNG Project in Cook Inlet

NOAA-NMFS-2025-0141Commerce Department, National Oceanic and Atmospheric Administration · filed 2025-08-28

Endangered and Threatened Wildlife and Plants; Endangered Species Status for Seven Species of Pangolin

FWS-HQ-ES-2025-0028Interior Department, Fish and Wildlife Service · filed 2025-08-19

Endangered and Threatened Wildlife and Plants; Endangered Species Status for the Blue Tree Monitor

FWS-HQ-ES-2023-0033Interior Department, Fish and Wildlife Service · filed 2025-08-15

Endangered and Threatened Wildlife and Plants; Endangered Species Status for the Blue Tree Monitor

FWS-HQ-ES-2023-0033Interior Department, Fish and Wildlife Service · filed 2025-08-15

Rescission of the Management and Protection of the National Petroleum Reserve in Alaska Regulations

BLM-2025-0002Interior Department, Land Management Bureau · filed 2025-08-05

Energy Conservation Program: Energy Conservation Standards for Automatic Commercial Ice Makers

EERE-2025-BT-STD-0015Energy Department · filed 2025-07-23

Energy Conservation Program: Energy Conservation Standards for External Power Supplies

EERE-2025-BT-STD-0026Energy Department · filed 2025-07-22

Energy Conservation Program: Energy Conservation Program: Energy Conservation Standards for Microwave Ovens

EERE-2025-BT-STD-0014Energy Department · filed 2025-07-22

Energy Conservation Program: Test Procedures for Commercial Warm Air Furnaces

EERE-2025-BT-TP-0035Energy Department · filed 2025-07-21 Final rule 2026

Energy Conservation Program: Energy Conservation Standards for Conventional Ovens

EERE-2025-BT-STD-0012Energy Department · filed 2025-07-21

Energy Conservation Program: Rescinding in Part the Amended Energy Conservation Standards for Dehumidifiers

EERE-2025-BT-STD-0013Energy Department · filed 2025-07-21

Energy Conservation Program: Energy Conservation Standards for Commercial Prerinse Spray Valves

EERE-2025-BT-STD-0008Energy Department · filed 2025-07-18

Energy Conservation Program: Rescinding the Amended Water Conservation Standards for Commercial Clothes Washers

EERE-2025-BT-STD-0018Energy Department · filed 2025-07-18

Energy Conservation Program: Energy Conservation Standards for Residential Clothes Washers

EERE-2025-BT-STD-0022Energy Department · filed 2025-07-18

Rescinding the Amended Water Use Standards for Residential Dishwashers

EERE-2025-BT-STD-0023Energy Department · filed 2025-07-18

Energy Conservation Program: Exempt Power Supplies Under the EPS Service Parts Act of 2014

EERE-2025-BT-STD-0010Energy Department · filed 2025-07-17 Final rule 2026

Energy Conservation Program: Energy Conservation Standards for Faucets

EERE-2025-BT-STD-0021Energy Department · filed 2025-07-17

Energy Conservation Program: Energy Conservation Standards for Compact Residential Clothes Washers

EERE-2025-BT-STD-0019Energy Department · filed 2025-07-17

Energy Conservation Program: Proposed Withdrawal of Determination of Compressors as a Covered Equipment

EERE-2025-BT-DET-0007Energy Department · filed 2025-07-17

Energy Conservation Program: Proposed Withdrawal of Determination of Miscellaneous Refrigeration Products as a Covered Consumer Product

EERE-2025-BT-DET-0009Energy Department · filed 2025-07-17

Energy Conservation Program: Energy Conservation Standards for Conventional Cooking Tops

EERE-2025-BT-STD-0011Energy Department · filed 2025-07-17

Energy Conservation Program: Rescinding the Efficiency Standards for Battery Chargers

EERE-2025-BT-STD-0017Energy Department · filed 2025-07-17

Application for Authorization To Transmit Electric Energy to a Foreign Country

DOE-HQ-2025-0019Energy Department · filed 2025-07-16 Final rule 2026

Energy Conservation Program: Proposed Withdrawal of Determination of Air Cleaners as a Covered Consumer Product

EERE-2025-BT-DET-0016Energy Department · filed 2025-07-16

Energy Conservation Program: Proposed Withdrawal of Determination of Fans and Blowers as Covered Equipment

EERE-2025-BT-DET-0020Energy Department · filed 2025-07-16

Energy Conservation Program: Proposed Withdrawal of Determination of Portable Air Conditioners as a Covered Consumer Product

EERE-2025-BT-DET-0024Energy Department · filed 2025-07-16

Energy Conservation Program: Test Procedures for Small Electric Motors

EERE-2025-BT-TP-0032Energy Department · filed 2025-07-15

Compliance With Floodplain and Wetland Environmental Review Requirements

DOE-HQ-2025-0020Energy Department · filed 2025-07-15

Rescinding Reporting Requirements, Certification, Independent Verification, and DOE Review for Voluntary Greenhouse Gas Reporting

EERE-2025-OT-0034Energy Department · filed 2025-06-17

Energy Conservation Program: Energy Conservation Standards for Consumer Furnace Fans

EERE-2025-BT-STD-0038Energy Department · filed 2025-06-16

Endangered and Threatened Wildlife and Plants; Reopening Comment Periods for Three Proposed Rules; Announcement of a Public Hearing for One Proposed Rule

FWS-R8-ES-2024-0041Interior Department, Fish and Wildlife Service · filed 2025-05-23

Endangered and Threatened Wildlife and Plants; Threatened Status for the Florida Manatee and Endangered Status for the Antillean Manatee

FWS-R4-ES-2024-0050Interior Department, Fish and Wildlife Service · filed 2025-03-18

Endangered and Threatened Wildlife and Plants; Threatened Status for the Florida Manatee and Endangered Status for the Antillean Manatee

FWS-R4-ES-2024-0050Interior Department, Fish and Wildlife Service · filed 2025-03-18

Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Clear Lake Hitch

FWS-R8-ES-2024-0161Interior Department, Fish and Wildlife Service · filed 2025-03-17

Injurious Wildlife Species; Listing Two Freshwater Mussel Genera and One Crayfish Species

FWS-HQ-FAC-2024-0060Interior Department, Fish and Wildlife Service · filed 2025-03-12

Endangered and Threatened Wildlife and Plants; Removal of Ute Ladies'-Tresses From the List of Endangered and Threatened Plants

FWS-R6-ES-2024-0115Interior Department, Fish and Wildlife Service · filed 2025-03-11

Endangered and Threatened Wildlife and Plants; Removal of Ute Ladies'-Tresses From the List of Endangered and Threatened Plants

FWS-R6-ES-2024-0115Interior Department, Fish and Wildlife Service · filed 2025-03-11

Endangered and Threatened Wildlife and Plants; Removal of Ute Ladies'-Tresses From the List of Endangered and Threatened Plants

FWS-R6-ES-2024-0115Interior Department, Fish and Wildlife Service · filed 2025-03-11

Endangered and Threatened Wildlife and Plants; Removal of Ute Ladies'-Tresses From the List of Endangered and Threatened Plants

FWS-R6-ES-2024-0115Interior Department, Fish and Wildlife Service · filed 2025-03-11

Endangered and Threatened Wildlife and Plants; Endangered Species Status for Big Red Sage

FWS-R2-ES-2024-0083Interior Department, Fish and Wildlife Service · filed 2025-02-10