EnvironmentThe toxic error at the heart of efforts to curb heavy metal pollution Environmental limits on dangerous metals like mercury and lead shouldn't just keep humans safe, but other animals too, say Coline Monchanin and Mathieu LihoreauComment
TechnologyCan low-income countries leapfrog to clean energy technologies? As energy access improves in low-income countries, there is an opportunity to go straight to clean technologies, says Jim WatsonComment