The US space agency is looking to operate a pilot processing plant for lunar resources by 2032, as part of its planned Artemis missions.

The Rosh Pinah underground zinc mine, in southern Namibia, is a 2,000 tonnes per day milling operation, open since 1969.

The UK-based start-up, which aims to produce lithium in Cornwall, warned it could go bust if it fails to secure the needed cash by July.

It will mix ore from Belinga with output from its Australian mines to bring it closer in grade to that of rivals Rio Tinto, BHP and Vale.

The wind and solar power plant will halve gas consumption at its Tropicana gold mine in Western Australia.

The US Army Corps of Engineers has requested a second extension of 45 days to June 29 to decide whether or not the project can proceed.