The Moss Landing battery fire became an unintended experiment - showing how burning lithium-ion cells scattered nickel, cobalt and manganese over a protected marsh.
Iran's sprawling cities and irrigated agriculture, along with tight market controls, have left the country vulnerable to drought. There are steps that would help.
Despite the administration's claim of streamlining the government to make its operations more efficient, a range of recent federal policies have, in fact, exacerbated food wastage.
The people who manage America's aquifers, wetlands, shorelines and recreation areas rely on federal science as they face new and rising risks in a changing climate.
Wealthy countries promised billions of dollars to help developing nations adapt to climate change, but the result rests on a shaky foundation of fuzzy accounting.