Evidence of pre-modern iron technology found in Nagaland

Wui village of Tuensang district in the state is known for its traditional art of iron-smelting and iron tool production since pre-colonial times

Court digest: Major environment hearings of the week

Down To Earth brings you the top environmental cases heard in the Supreme Court, the high courts and the National Green Tribunal

Biden, Keystone XL and a Green New Deal could shake up Canada’s energy industry

Biden’s comments emphasise the need to transition away from fossil fuels, echoing calls for a Green New Deal