The United States has renewed its warning that it could withdraw from the International Energy Agency (IEA), with Energy Secretary Chris Wright saying Washington will press the agency to abandon its net-zero agenda.

The United States is urging the world's leading energy organization to abandon its net-zero emissions scenario modeling, which has guided much of the global green transition, claiming that the targets are unrealistic.

Brazil is relying on China to back a groundbreaking UN initiative aimed at reducing greenhouse gas emissions from international shipping, as governments get ready for a crucial vote on the plan in October.

Japan has announced a new target to reduce greenhouse gas emissions by 60% by 2035, aiming to achieve net zero by 2050.

The European Union is facing an increasing threat of falling behind in the global race for net-zero technologies, particularly as China's clean tech sector rapidly expands, according to a report by Brussels-based think tank, Strategic Perspectives.