No net loss wetlands policy
"No net loss" is the United States government's overall policy goal regrading wetlands preservation. The goal of the policy is to balance wetland loss due to economic development with wetlands reclamation, mitigation, and restorations efforts, so that the total acreage of wetlands in the country does not decrease, but remains constant or increases. To achieve the objective of no net loss, the federal government utilizes several different environmental policy tools which legally protect wetlands, provide rules and regulations for citizens and corporations interacting with wetlands, and incentives for the preservation and conservation of wetlands. Given the public benefits provided by wetland ecosystem services, such as flood control, nutrient farming, habitat, water filtration, and recreational area, the estimations that over half the acreage of wetlands in the United States has been lost within the last three centuries is of great concern to local, state, and federal agencies as well as the public interest they serve.
Since the 18th century, wetland area has decreased from nearly 220 million acres (890,000 km2) in the lower 48 states to 107,700,000 acres (436,000 km2) in 2004. Currently, approximately 100 million acres (400,000 km2) of wetlands remain. Since the 1950s, over fifty percent of this loss has come from wetlands being transitioned to agricultural lands. Other contributing factors to wetlands loss include but are not limited to development and forestry.
No net loss as a goal for wetland's policy was recommended 1987 at the National Wetlands Policy Forum  and was first adopted by President George H.W. Bush administration in 1989. The policy, which represented compromise between development and conservation, was grounded on the needs to protect the wetlands by creating and restoring the wetlands. The United States is not the only nation interested in the conservation of wetlands: international cooperation exists in the form of the Ramsar Convention on Wetlands.
No net loss is a mitigation policy goal aiming to prevent and offset the destruction or degradation of wetlands. Under this bi-partisan policy, wetlands currently in existence are to be conserved if possible. No net loss is achieved through a coordinated effort of:
- wetlands protection
- creation of new wetlands
- restoration, enhancement, and management
- education, research, and information
No net loss policy under past administrations 
George H. W. Bush 
No net loss was first adopted as a national goal under George H. W. Bush’s administration in 1988, after he campaigned on the policy. It emphasized three elements on its policy: strengthening the wetland conservation and acquisition measures, revising the delineation manual, improving and streamlining the wetlands regulatory program. All of these measures are aimed at maintaining wetlands quantity and quality of national wetland resources.
Bill Clinton 
During his presidency, Bill Clinton's administration reiterated the same pledge by endorsing and updating the no net loss policy. The Clinton Administration’s commitment was to increase the fairness and flexibility, as well as speed of permit issuances over dredged or fill materials into waters as a part of the implementation of the Section 404 of the Clean Water Act. It also aimed to resolve the differences in the delineation of wetlands area. Finally, the administration committed to increasing funding for wetland restoration measures, such as Wetland Reserve Program under the USDA, voluntary wetlands restoration programs, non-regulatory conservation initiatives, and mitigation banks. The Clinton administration's 1998 Clean Water Action Plan aimed for a net gain of 100,000 acres (400 km2) of wetlands each year.
George W. Bush 
The administration of George W. Bush endorsed the no net loss goal in December 2002, when it released the National Wetlands Mitigation Action Plan. This plan outlined improvements to be implement in wetland protection and mitigation by the Army Corps of Engineers, the Environmental Protection Agency, the National Oceanic Atmospheric Administration, the Department of the Interior, the Department of Agriculture, and the Federal Highway Administration. Additional action by the Bush administration includes a push to clarify and redefine wetlands under the Clean Water Act. This proposal, published on January 10, 2003 guided federal agencies to not require Clean Water Act permits for non-navigable and isolated wetlands.
Barack Obama 
Following the lead of the previous three presidential administrations, Barack Obama also pledged his commitment to no net loss. The Obama administration increased funding of the North American Wetlands Conservation Act to ensure no net loss operation, however funding has been cut in the current budget. Obama campaigned to amend the Clean Water Act and to extend the Swampbuster program, however these commitments have yet to be followed-through with. Barack Obama’s administration additionally is working with Congress to amend the Clean Water Act so that isolated wetlands will fall under the Act’s protection.
Policy instruments 
In an effort to meet the United States' policy objectives under the International Ramsar Convention and the national goal of no net loss of wetlands, a variety of policy instruments are utilized within and between the federal, state and local spheres as well as the private sector. Due to the fact that 70% of wetlands are located on private lands, cooperation between government agencies and landholders is a critical component of most policy implementation approaches.
Command and Control Regulation under the Clean Water Act 
Under the Commerce Clause in the United States Constitution, the federal government derives authority to regulate pollution of United States waters if interstate commerce is affected. The Clean Water Act (CWA), in particular §404, regulates discharge into "waters of the United States". Permitting is required under the CWA §404 for activities that dredge or fill in this jurisdiction, which can include wetlands. Under this permitting program, environmental impacts are to be avoided if possible, reduced and mitigated if necessary. Permits are limited to a maximum period of five years and use public notice and comment procedures. While the U.S. Army Corps of Engineers issues the permit, responsibility for enforcement is shared between the U.S. Army Corps of Engineers and the EPA. However, the scope of what constitutes a wetland and thus what falls under CWA command and control regulation has changed over time. Two recent Supreme Court decisions have impacted the definition of wetlands under the Clean Water Act:
- determination of whether or not a wetland falls under the definitions of "water of the United States" was not limitless
- wetlands adjacent to navigable waters are "waters of the United States"
- no clear definition of navigable waters or majority opinion so jurisdiction under the CWA if one of the following two standards is met:
- Justice Kennedy’s Test: a "significant nexus" must be found between the wetland and traditional navigable waters
- Plurality Test: a "continuous surface connection" needs to flow between the wetland and navigable waters
Solid Waste Agency of Northern Cook County (SWANCC) v. United States Army Corps of Engineers (2001) 
- rejection of migratory bird habitats to constitute as intrastate waters
- determined the Migratory Bird Rule, under which the Army Corps of Engineers extended jurisdiction for §404 to include migratory bird habitat, was outside the scope of authority granted in the CWA
Other key federal policy instruments 
|Conservation Reserve Program||FSA||Farm Bill||Conservation Easement|
|Wetlands Reserve Program||NRCS||1990 Farm Bill||Conservation Easement|
|Swampbuster Provision||USDA||1985 Food Security Act||Converting wetlands to croplands results in a loss of federal funds|
|Migratory Bird Rule||Army Corps of Engineers & EPA||1996||Overturned by U.S. Supreme Court in 2001|
|Migratory Bird Hunting and Conservation Stamp Act||USFWS & State Wildlife Agencies||1934||Fee on consumptive use of waterfowl to fund conservation efforts (such as SWAP)|
|§101, 303, 319, 402 of Clean Water Act||EPA||1972||Command and Control Regulations on discharge of pollutants into waterways|
|Water Bank Act ||USDA||1970||Allows trading of wetlands mitigation property rights|
|217 of Coastal Zone Act Reauthorization Amendments (CZARA)||EPA||1990||Voluntary Program|
|EPA Grants||EPA||Various||Provides direct funding for projects through a competitive grant process|
States government tools for addressing wetland protection, include but not limited to:
- police powers to regulate use of water and land
- zoning authority
- land use designation
- benchmarks regulating net gain or loss
- State Wetland Conservation Plans
- wetlands mitigation banking (compensatory mitigation where wetlands credits are acquired through the restoration of wetland areas and can be used or sold through market trading)
Local Wetland Protection Local governments tools for addressing wetland protection, include but are not limited to:
- stakeholder involvement
- Local Wetland Strategic Plans (outlining conservation opportunities, research, and wetlands management)
- ordinances regarding protection, zoning and development plans
- local wetlands mitigation banking
Barriers to implementation 
- Political considerations
- Interest groups and constituents can lobby or exploit political influence to receive exemptions or change the scope of wetlands policy. Likewise, politicians and bureaucrats may also change the scope of wetlands policy and its implementation in an effort to cater to constituents and generate political goodwill.
- Economic cConsiderations
- Other considerations
- The processes of wetland restoration, including restoring it to its original function and becoming stable enough as a wetland ecosystem, takes many years. Those processes are also very expensive. Based on the study done in the Kentucky Bottomland Forest, the wetland restoration takes forty-two years, particularly the process of 95% of the carbon accumulation that is stored in natural wetland. Therefore, in achieving the no net loss wetlands policy goal in relation to area, it is often questionable whether those efforts are worth with the expense for the quality.
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