Economics, Habitats, & Biological Populations: Finding the Right Value Using methods that are similar to valuing the production inputs of "run-of-the-mill" economic goods and services, RFF Senior Fellow James Sanchirico and colleague Peter Mumby analyze the value of coastal mangroves with regard to their role in producing the abundance and diversity of fish found on coral reefs.

How People Value What Nature Provides RFF Senior Fellow Alan Krupnick and Fellow Juha Siikamäki describe the principles and challenges of developing nonmarket valuation methods, with an example from New York's Adirondacks.

The Florida Ranchlands Environmental Services Project: Field Testing a Pay-for-Environmental Services Program RFF Resident Scholar Leonard Shabman and World Wildlife Fund's Director of Agriculture Sarah Lynch discuss efforts to initiate a payment for environmental services program in the Florida Everglades, north of Lake Okeechobee.

Payments for Ecosystem Services: Why Precision and Targeting Matter Using examples from Costa Rica and Honduras, RFF Senior Fellow Allen Blackman and colleagues Francisco Alpízar and Alexander Pfaff consider how an increasingly popular natural resource conservation strategy can be refined so that it provides more bang for the buck.

New Opportunities to "See" Our Environmental Relationships RFF Senior Fellow Molly Macauley, Fellow Shalini Vajjhala, and colleague William B. Gail discuss how our ability to visualize different environments and natural systems has evolved from static paper maps and charts to dynamic 3-D fly-bys on personal computers.

The Endpoint Problem RFF Senior Fellow James Boyd calls for the development of ecological endpoints to facilitate collaboration between the natural and social sciences.

Managing Fish Portfolios Senior Fellow James N. Sanchirico, with colleagues Martin D. Smith and Douglas Lipton, explore how financial portfolio techniques can be used to manage a suite of species within an ecosystem.

Siting Difficulty and Renewable Energy Development: A Case of Gridlock Fellow Shalini Vajjhala explores how siting difficulty could impact the development of different types of renewable energy resources and constrain the implementation of policies intended to promote renewables in different regions.