US carmaker Tesla has signed contracts worth about $5-billion to buy materials for their batteries from nickel processing companies in Indonesia, a senior cabinet minister told CNBC Indonesia.

"The situation on the gas market is tense," Minister for Economic Affairs and Climate Action Robert Habeck said in a statement.

The Mehrum power plant in Germany is back in operation due to the current gas supply crisis.

These measures have raised concerns that the EU might scale back its climate ambitions.

Many European countries have recently announced the reopening of coal power plants as gas supplies from Russia have slumped amid European Union sanctions.

Largo Clean Energy Signs Non-Binding MOU with Ansaldo Green Tech to Negotiate the Formation of a Joint Venture for the Manufacturing and Commercial Deployment of Vanadium Redox Flow Batteries (VRFBs)

Premier receives $18.1m in funding for Zulu pilot processing plant

Heavy rainfalls, withering droughts and other extreme weather patterns across the globe are denting miners' profits and crimping supply of iron ore, copper and other widely-used minerals as climate change roils yet another industry.