When designing schemes such as conditional cash transfers or payments for ecosystem services, the choice of whom to select and whom to exclude is critical.We incentivize and measure actual contributions to an environmental ...

Whilst it is established that almost all cultivated coffee (Coffea arabica L.) varieties originated in Yemen after some coffee seeds were introduced into Yemen from neighboring Ethiopia, the actual coffee genetic diversity ...

Acute concerns over the status of ecosystems providing benefits to human communities, and deep uncertainties over the consequences of future climate change, call for new policy choices, as well as improved methods for ...