The US will give $3 billion to the Green Climate Fund, sources said Saturday. The fund helps poor countries lower emissions and transition to clean energy

Dismissing claims of a 'dangerous breakthrough' at OpenAI, Microsoft President Brad Smith said a breakthrough in super-intelligent AI was not likely this year

Prices of the key EV battery metal have already tumbled close to 80% this year with supply outpacing the rise in demand

Officials from China and Vietnam are discussing a possible upgrade of their rail links, including an historic line through part of northern Vietnam with large rare earth deposits

A bill requiring US companies to notify federal agencies of investment in Chinese technologies is opposed by a key lawmaker who believes Washington needs to invest more in its rival

Organisers are keen to generate goodwill before talks on the future of fossil fuels; fund would help poor nations cope with the cost of climate damage from drought, floods and rising seas

The US Treasury is expected to block an EV tax subsidy for buyers of cars containing batteries, components or minerals made by state-owned Chinese companies

A flurry of approvals of new coal-fired plants in recent years spurs fear over China's climate pledges – and the huge task for the world to meet its global warming targets

A huge increase in China's solar production capacity and installation will give its citizens power prices less than half the user-prices in Europe or Australia, a new report says

Leaked document has talking points for the president of the UN climate conference, who is an oil executive in the UAE, to advance oil and gas deals, reports say

The 2020s will be a decade of rapid change driven by the need to counter intensifying global warming; responses by leading cities show a pattern likely to be replicated worldwide

The startup makes chips that can use ambient sources of electricity such as light or vibrations as a power source — potentially removing the need for batteries in simple devices