News bites: Killing Keystone could risk more spills

In the federal civil trial for the 2010 Gulf of Mexico oil spill, an expert hired by BP said the energy giant followed proper well-drilling safety procedures, Bloomberg reports.

Mother Jones looks at a disease that's devastating bat populations in North America.

Slate explores a study that says climate change will shift the world's wine-producing regions into habitats important to several species, queuing up potential conservation battles.