Ecosystems


EPA Proposes Sediment Limits for Chesapeake Bay

The agency expects the six watershed states and the District of Columbia to use the limits for developing Watershed Implementation Plans.

Georgia Report: Up to 79% of Deepwater Horizon Oil Still in Gulf

Scientists estimate that most of the oil classified as dispersed, dissolved or residual is still present. The National Incident Command report has been interpreted to suggest that only the “residual” form of oil is still present.

Report Examines U.S. Agroecosystems' Greenhouse Gas Emissions, Capture

A new report, titled "Agriculture's Role in Greenhouse Gas Emissions and Capture," commissioned by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, examines the evidence for greenhouse gas (GHG) emissions and sequestration in America's major agroecosystems.

Spent lead acid battery recycling

SLAB Exports Rule Targets Labeling Practices

The U.S. Environmental Protection Agency has taken a new tact with auto battery recyclers and brokers, hoping to ensure the proper management of spent lead acid batteries.

Hearings Set on Rule to Reduce Interstate Transport of Ozone

The Transport Rule would cut power plant pollution, including fine particulates, which draft across the borders of 31 eastern states and the District of Columbia.

Low Oxygen Cause of Menhaden Die-off in Delaware Bay

The N.J. Department of Environmental Protection attributes low oxygen levels to very warm weather.

City and County of Honolulu to Start Wastewater Rehab and Replacement

The city will pay a total fine of $1.6 million to be split between the federal government and the state of Hawaii to resolve violations of the federal Clean Water Act and the state of Hawaii’s water pollution law.

New Absorbent Repels Water, Keeps the Oil, Company Says

Eco>Absorb Oil Only, a reformulation of Eco-Absorbent Technologies' super absorbent, repels water while absorbing oil, allowing the product to float on the surface of the water until it can be picked up.



NOAA reopens part of Gulf to fishing

More than 5,000 Square Miles Reopened to Gulf Fishing

NOAA says no oil has been observed for 30 days in this area.

Curren Advanced Wastewater Treatment Plant

Case Study: Curren Hits the Bull's Eye Using Online Process Analyzers

Howard F. Curren Advanced Wastewater Treatment Plant improved its efficiency by upgrading to online process monitoring and control.

Groups Call for Inquiry into Possible Illegal Diesel Injection

The organizations want to know where and when Halliburton, B.J. Services and Schlumberger may have injected diesel during hydraulic fracking activities.

Aerial view of OSU experimental wetlands in 2009

OSU Natural and Manmade Wetlands Similar at 15 Years

Ohio State University researcher William Mitsch says the 15-year experiment shows that the natural wetland seems stronger and the manmade wetland more diverse but both hold potential for carbon sequestration.

Agency OKs Smart Sponge Plus for Use in Reducing Bacteria in Runoff

The AbTech Industries technology helps lower coliform bacteria levels in stormwater runoff.

Water and Biodiversity Issue Now Available

"Science for Environment Policy" is offered free from the European Commission DG's Environment.

N.J. Panel to Review State Land Leasing Policy

The New Jersey Department of Environmental Protection and other stakeholders will determine if the formula needs updating to account for disturbances to habitat, conservation, or resource protection, for example.

Spill Commission's Second Meeting Set for Aug. 25

This meeting in Washington, D.C., of the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling will look at root causes of the Deepwater Horizon disaster and be broadcast live.

EPA Approves Iowa's List of Impaired Waters

Iowa's environmental agency has identified 183 waterbodies that need water quality improvements.

Super Soda Center Store Owners Settle Storage Tank Case for $2 Million

According to the Department of Justice, the amount of the civil penalty is “precedent-setting” yet “appropriate in light of the unacceptable risk” created by the underground storage tanks at the defendants’ 17 gas stations in Maryland and Delaware.

Watershed Academy Sets Webcast on Houston's LID Experience

On Aug. 11, EPA will explain how a low impact design competition had a ripple effect on Houston's design/build community.

EPA Proposes 1 Year's Grace for Some on Amended SPCC Rule

Exempt from the extension would be facilities involved in drilling, production or workover offshore, or onshore facilities that must submit facility response plans.