HumansWhat is longtermism and why do its critics think it is dangerous? Longtermism is an increasingly influential branch of moral philosophy. At its most extreme, it can justify ignoring problems like homelessness and climate change – but other versions are available Features
EnvironmentWhat we can do to let the UK’s tamed rivers flow wild and free again In the UK, 97 per cent of rivers have been modified, blocked and otherwise corralled to suit our needs - with enormous damage to wildlife. Here’s how we can reverse the damage we’ve done Features