Environmentalist

Teen activist is being accused of 'criminal conspiracy and promoting enmity on grounds of religion'

Communities inhabiting Indus Delta extremely vulnerable to climate change-induced disasters, say experts

Research allowed team to map hotspots across Antarctic, finding penguin colonies to be proxy for biodiversity

Government-sponsored killings linked to lucrative projects by vast agriculture multinationals soared

Decision to leave Iran made after family receives threats

Don't think that my brother and I will stay silent for one second, says Emami