Solar-powered groundwater irrigation is expanding exponentially in low- and middle-income countries (LMICs), creating opportunities and risks. In South Asia, more than 500,000 small stand-alone pumps have already been installed (see the figure).

Globally, consumers have increasingly been getting the meals they consume delivered by third parties such as Doordash, Grubhub, Wolt, or Uber Eats.

As the COVID-19 pandemic progresses, trade-offs have emerged between the need to contain the virus and to avoid disastrous economic and food security crises that hurt the world's poor and hungry most.

Water scarcity, type of infrastructure, market integration, and social ties among users can all affect cooperation over water. Ruth Meinzen-Dick on what can increase collective action over water.

This article develops the case for adopting an international system for assessing how humans have impacted the ecosystem. It explains the rationale for making such an assessment and proposes a methodology for developing and administering it.