Source: https://stus.com/Endangered-Species-Act-cartoon-environmental-law0027
Timestamp: 2019-04-20 08:52:26+00:00

Document:
Friends of Blackwater v. Salazar; Endangered List recovery plan need not be strictly satisfied before a species may be delisted pursuant to the factors of the Endangered Species Act (ESA).
When an issue of environmental concern requires a high degree of technical expertise, the court will defer to the informed discretion of the responsible federal agency (here, the EPA).
The EPA may consider both the health effects of pollution and the cost of abating it when determining whether a state SIP fails to comply with the Clean Air Act. One state cannot pollute a downwind state.
The Clean Air Act makes state standards governing or enforcing emissions limits preempted for sale or purchase of vehicles; preemption.
Navigable waters; The phrase the waters of the United States, as used in the Clean Water Act, includes only those relatively permanent or continuously flowing bodies of water forming geographic features; wetlands are not navigable waters.
Lingle v. Chevron, U.S.A., Inc.
A plaintiff seeking to challenge a government regulation as an uncompensated taking of private property may proceed only by alleging a physical taking, a total regulatory taking, a Penn Central taking, or a land-use exaction.
Natural Resources Defense Council v. EPA; he Clean Air Act only mandates that residual risk standards provide an ample margin of safety to protect public health, and the EPA is free to determine that existing technology-based standards are ample.
Burlington Northern & Santa Fe Railway Co. v. United States; Mere knowledge that spills and leaks occur after the sale of a chemical product is insufficient for concluding the seller "arranged for" disposal of hazardous chemical for CERCLA liability.
North Carolina v. EPA; EPA is not properly exercising its duty under the Clean Air Interstate Rule unless it is promulgating a rule that achieves something measureable toward the goal of prohibiting sources within one state from affecting another state.
Coalition for Responsible Regulation v. EPA; EPA endangerment finding for greenhouse gas emissions from vehicles supported by substantial record evidence, EPA obligated to issue greenhouse gas emissions standards. Endangerment evaluation.
Los Angeles County Flood Control District v. Natural Resources Defense Council, Inc.; transfer of polluted water between two parts of the same body of water is not discharge of pollutants under the CWA. Clean Water Act.

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